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Rule Fog Hunter

Fog Hunter Forecast for Trossachs & Loch Lomond

Trossachs & Loch Lomond, United Kingdom

Fog photography in the Trossachs. Dawn mist at Loch Ard, atmospheric conditions at Loch Chon, fog-draped Loch Katrine, and valley mist near Callander.

48 matching opportunities in the 14-day forecast.

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/London
fog weather icon
First upcoming window
Dense Fog
Balmaha
Mon, Oct 12 · 01:00–06:00 · 5h window
Medium confidence
62%
🌫️Fog Probability79.7-100%
Dewpoint Spread: 0.0°C
Visibility: 120 (Dense fog)
Relative Humidity: 100%
Wind Speed: 1.1m/s (calm conditions)
fog weather icon
Fog Potential at Sunrise
Ben A'an
Mon, Oct 12 · 08:00–09:00
🌫️Fog Probability:79.7%
Low
fog weather icon
Fog Potential at Sunrise
Loch Venachar
Mon, Oct 12 · 08:00–09:00
🌫️Fog Probability:79.7%
Low
fog weather icon
Fog Potential at Sunrise
Loch Achray
Mon, Oct 12 · 08:00–09:00
🌫️Fog Probability:79.7%
Low
fog weather icon
Fog Potential
Loch Venachar
Mon, Oct 12 · 09:00–10:00
🌫️Fog Probability:88.6%
Low
fog weather icon
Fog Potential
Ben A'an
Mon, Oct 12 · 09:00–10:00
🌫️Fog Probability:88.6%
Low
fog weather icon
Fog Potential
Loch Achray
Mon, Oct 12 · 09:00–10:00
🌫️Fog Probability:88.6%
Low
+41 more windows in the next 14 days

Location status

0 of 10 locations matching now

Loch Ard

Not matching

A sheltered freshwater loch bordered by native woodland and low hills, with small jetties, islands and mist-prone open water.

Aberfoyle, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~11 days 14h

3 opportunities in the 14-day forecast

View forecast

Loch Chon

Not matching

A narrow, secluded loch enclosed by conifer and native woodland, offering quiet shorelines and layered hill reflections.

Aberfoyle, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~11 days 14h

3 opportunities in the 14-day forecast

View forecast

The Trossachs Pier

Not matching

A Victorian pier projects into Loch Katrine beside the steamship landing, framed by wooded shores and the slopes of Ben Venue.

Callander, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~11 days 14h

3 opportunities in the 14-day forecast

View forecast

Loch Achray

Not matching

This compact loch lies between wooded slopes and Ben Venue, with accessible shorelines suited to complete mountain reflections.

Callander, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~4 days 17h

7 opportunities in the 14-day forecast

View forecast

Balmaha

Not matching

A small harbour on Loch Lomond's eastern shore faces wooded islands, while Conic Hill rises sharply behind the village.

Balmaha, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~4 days 10h

5 opportunities in the 14-day forecast

View forecast

Loch Lubnaig

Not matching

A long, narrow loch fills a steep Highland glen, bordered by pebble shores, woodland and the slopes of Ben Ledi.

Callander, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~12 days 10h

3 opportunities in the 14-day forecast

View forecast

Callander

Not matching

A stone-built town beside the River Teith, with an arched bridge, wooded riverbanks and Bracklinn Falls in the hills above.

Callander, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~12 days 10h

3 opportunities in the 14-day forecast

View forecast

Ben A'an

Not matching

A rocky summit reached through forest overlooks Loch Katrine and Loch Achray, with Ben Venue forming the dominant ridge beyond.

Callander, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~4 days 17h

8 opportunities in the 14-day forecast

View forecast

Inversnaid

Not matching

A wooded Loch Lomond shoreline combines a pier, rocky water's edge and Inversnaid waterfall descending beside the hotel.

Inversnaid, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~9 days 10h

6 opportunities in the 14-day forecast

View forecast

Loch Venachar

Not matching

An open east-west loch bordered by forest and low mountains, with broad shore views and evening light along the water.

Callander, Scotland, United Kingdom

Blocked by: Fog Probability too low (0%, ≥ 75.0%)

Next opportunity in ~4 days 17h

7 opportunities in the 14-day forecast

View forecast

What's blocking opportunities

80-hour forecast horizon; times in Europe/London.

Top 1 blocking conditions across 10 of 10 locations
Some blocked
Most blocked
7 Wed
8 Thu
9 Fri
10 Sat
06
12
18
24
06
12
18
24
06
12
18
24
06
12
Fog Probability (≥ 75.0%)
100% blocked
Fog Probability (≥ 75.0%), Wed 5am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 6am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 7am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 8am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 9am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 10am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 11am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 12pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 1pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 2pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 3pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 4pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 5pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 6pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 7pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 8pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 9pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 10pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Wed 11pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 12am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 1am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 2am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 3am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 4am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 5am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 6am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 7am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 8am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 9am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 10am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 11am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 12pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 1pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 2pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 3pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 4pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 5pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 6pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 7pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 8pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 9pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 10pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Thu 11pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 12am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 1am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 2am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 3am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 4am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 5am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 6am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 7am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 8am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 9am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 10am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 11am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 12pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 1pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 2pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 3pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 4pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 5pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 6pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 7pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 8pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 9pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 10pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Fri 11pm: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 12am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 1am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 2am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 3am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 4am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 5am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 6am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 7am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 8am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 9am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 10am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 11am: 10 of 10 locations blocked
Fog Probability (≥ 75.0%), Sat 12pm: 8 of 10 locations blocked
How to read: Each row shows when a condition blocks opportunities. Stronger red means more locations are affected. These are the top 1 conditions preventing matches across the 80-hour forecast.

This forecast identifies when fog and mist conditions create atmospheric photography opportunities across the Trossachs lochs and glens. We track temperature, humidity, wind, and overnight cooling to predict when dawn mist will form over forest-fringed lochs and settle into wooded valleys.

The Trossachs—"the Highlands in miniature"—sits where Lowland Scotland meets the Highlands, creating perfect conditions for mist formation. Cool Highland air draining down valleys meets warmer air over the lochs, while dense oak and birch forests trap moisture overnight. The result is frequent dawn mist that transforms intimate lochs and wooded glens into scenes of ethereal beauty.

What makes the Trossachs special for fog photography:

  • Forest-fringed lochs - Loch Ard and Loch Chon with native woodland creating layered mist scenes
  • Valley fog formation - Glen Finglas and other glens trap overnight mist between mountains
  • Intimate scale - Smaller lochs allow compositions that capture both mist and reflections
  • Seasonal reliability - Autumn (September-November) brings most reliable mist conditions with calm nights

Loch Ard near Aberfoyle offers the Trossachs' most reliable dawn mist—native forest comes right to the water's edge, creating layered compositions as mist rises through trees. The forest pier at dawn with mist swirling around ancient oaks is magical. Loch Chon, deeper into the forest, sees even more atmospheric conditions due to its remote, sheltered position. The Trossachs Pier on Loch Katrine with the historic steamship and Ben Venue emerging from mist creates classic Scottish landscape scenes. Timing is critical—arrive in darkness, position yourself 30 minutes before sunrise, and capture the 1-2 hour window as mist lifts and breaks. Conditions change rapidly once sun hits the water.

How this forecast is made

Opportunities are threshold-based signals: PhotoWeather checks whether forecast conditions match the rules for a photography scenario. They are planning guidance, not guarantees. Forecasts can change as new model runs arrive, and confidence generally decreases farther into the forecast horizon, so recheck conditions before travelling.

The weather forecast foundation comes through Open-Meteo , which aggregates models from weather agencies. PhotoWeather applies condition-specific thresholds and derived calculations; not every condition uses every model or data input.

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