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Rule Fog Hunter

Teijo - Fog Hunter - Southern Finland

Matildedal, Southwest Finland, Finland

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 75.0%

Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Fog Probability
27%
Dewpoint Spread0.6°C
Visibility11226 (Clear)
Relative Humidity97%
Wind Speed2.3m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

What this forecast looks for

Plain-language explanation from the rule

Southern Finland's lake district and boreal forests create ideal conditions for fog photography. The region's 188,000 lakes, countless bogs, and mixed forests generate reliable morning mist from late summer through autumn.

What makes Southern Finland special for fog photography:

  • Lake fog - Large lakes like Vesijärvi and Saimaa produce dramatic ground fog at dawn
  • Bog mist - Torronsuo and other wetlands create ethereal low-lying fog over boardwalks
  • Forest atmosphere - Nuuksio and Repovesi offer misty woodland scenes with cliff viewpoints
  • Accessibility - Most locations within 2 hours of Helsinki

Peak fog season runs from August through October, with the strongest conditions occurring on calm, clear nights when temperatures drop near the dewpoint. Arrive before sunrise for the most dramatic mist.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 95 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 75.0%
Fri, Jun 5
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:0030%
Sat, Jun 6
24:0039%
01:0046%
02:000%
03:000%
04:0049%
05:0068%
06:0067%
07:000%
08:000%
09:000%
10:0052%
11:0052%
12:000%
13:000%
14:000%
15:000%
16:0049%
17:0032%
18:0015%
19:000%
20:000%
21:000%
22:0062%
23:0071%
Sun, Jun 7
24:0071%
01:0048%
02:000%
03:000%
04:0055%
05:0048%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Mon, Jun 8
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Tue, Jun 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:0069%
07:0071%
08:0056%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog Probability mean?

Inputs that drive the score

This derived score summarizes multiple raw weather signals. The table below shows the supporting inputs hour by hour, so you can see what's pushing the score up or down.

Time
Europe/Helsinki
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Sat, Jun 6 Sunrise 04:09 Sunset 22:45
11:00
0% 14°C 0.68mm 97% 0cm 45° 15°C 0.88mm 0.06kPa 11226m 6.8m/s 2.3m/s
12:00
0% 15°C 0.9mm 97% 0cm 49° 15°C 1.8mm 0.06kPa 9479m 8.1m/s 2.5m/s
13:00
0% 15°C 0.09mm 95% 0cm 52° 16°C 2.4mm 0.1kPa 17324m 7.8m/s 3.1m/s
14:00
0% 16°C 0.46mm 93% 0cm 52° 17°C 2.8mm 0.13kPa 807m 6.9m/s 3.9m/s
15:00
0% 15°C 0.55mm 98% 0cm 49° 15°C 4.1mm 0.04kPa 586m 10m/s 3.8m/s
16:00
0% 15°C 0mm 97% 0cm 44° 15°C 0.13mm 0.05kPa 232m 8.6m/s 3.6m/s
17:00
0% 13°C 0.09mm 97% 0cm 38° 14°C 0.19mm 0.05kPa 109m 6m/s 2.5m/s
18:00
0% 12°C 0.02mm 97% 0cm 30° 12°C 0.25mm 0.04kPa 220m 5m/s 2.8m/s
19:00
1% 11°C 0.05mm 96% 0cm 23° 11°C 0.25mm 0.05kPa 3196m 9.9m/s 5.1m/s
20:00
1% 11°C 0.02mm 96% 0cm 16° 11°C 0.38mm 0.05kPa 16902m 12m/s 5.4m/s
21:00
2% 11°C 0.04mm 96% 0cm 9° 11°C 0.38mm 0.06kPa 24134m 11m/s 4.8m/s
22:00
15% 11°C 0mm 93% 0cm 3.2° 12°C 0mm 0.09kPa 24134m 11m/s 4.2m/s
23:00 ☾
27% 11°C 0mm 95% 0cm -1.6° 11°C 0mm 0.07kPa 24135m 9.3m/s 2.9m/s
Sun, Jun 7 Sunrise 04:09 Sunset 22:45
24:00 ☾
40% 11°C 0mm 96% 0cm -5.1° 11°C 0mm 0.05kPa 24135m 9.7m/s 3m/s
01:00 ☾
44% 9.6°C 0mm 96% 0cm -6.8° 10°C 0mm 0.05kPa 24134m 10m/s 3.3m/s
02:00 ☾
48% 9.4°C 0mm 95% 0cm -6.7° 10°C 0mm 0.07kPa 24134m 9.7m/s 3.6m/s
03:00 ☾
52% 9.7°C 0mm 93% 0cm -4.8° 11°C 0mm 0.09kPa 24134m 11m/s 3.4m/s
04:00 ☾
62% 9.4°C 0mm 94% 0cm -1.2° 10°C 0mm 0.07kPa 24134m 11m/s 3m/s
05:00
73% 9.4°C 0mm 94% 0cm 3.7° 10°C 0mm 0.08kPa 24135m 8m/s 2.6m/s
06:00
83% 9.8°C 0mm 90% 0cm 9.6° 11°C 0mm 0.13kPa 24134m 9m/s 2.7m/s
07:00
84% 10°C 0mm 85% 0cm 16° 13°C 0mm 0.22kPa 24134m 8.6m/s 3.1m/s
08:00
86% 9.8°C 0mm 76% 0cm 24° 14°C 0mm 0.37kPa 24135m 8.7m/s 4.1m/s
09:00
87% 9.5°C 0mm 68% 0cm 31° 15°C 0mm 0.57kPa 20694m 8.5m/s 4.4m/s
10:00
87% 9.1°C 0mm 61% 0cm 38° 17°C 0mm 0.73kPa 20657m 7.7m/s 4.6m/s
11:00
88% 9.2°C 0mm 60% 0cm 45° 17°C 0mm 0.78kPa 20700m 7.1m/s 4.7m/s
12:00
88% 9.1°C 0mm 58% 0cm 50° 17°C 0mm 0.84kPa 20650m 6.3m/s 4.6m/s
13:00
88% 8.9°C 0mm 55% 0cm 52° 18°C 0mm 0.93kPa 20649m 5.7m/s 4.3m/s
14:00
88% 8.3°C 0mm 50% 0cm 52° 19°C 0mm 1.1kPa 20715m 5.6m/s 4.1m/s
15:00
88% 7.3°C 0mm 46% 0cm 49° 19°C 0mm 1.2kPa 20845m 5.8m/s 4.2m/s
16:00
84% 6.6°C 0mm 44% 0cm 44° 19°C 0mm 1.2kPa 20650m 5.8m/s 4.1m/s
17:00
81% 6.2°C 0mm 44% 0cm 38° 19°C 0mm 1.2kPa 20667m 5.8m/s 3.9m/s
18:00
77% 6.1°C 0mm 45% 0cm 30° 18°C 0mm 1.1kPa 20711m 5.4m/s 3.7m/s
19:00
77% 6.2°C 0mm 48% 0cm 23° 17°C 0mm 1kPa 21459m 5m/s 3.4m/s
20:00
77% 6.6°C 0mm 53% 0cm 16° 16°C 0mm 0.87kPa 24134m 4.4m/s 2.8m/s
21:00
77% 7.6°C 0mm 62% 0cm 9.1° 15°C 0mm 0.63kPa 24135m 4.5m/s 2.2m/s
22:00
75% 7.8°C 0mm 75% 0cm 3.3° 12°C 0mm 0.35kPa 24134m 4.1m/s 2.1m/s
23:00 ☾
74% 7.7°C 0mm 82% 0cm -1.5° 11°C 0mm 0.23kPa 24134m 2.9m/s 2.1m/s
Mon, Jun 8 Sunrise 04:08 Sunset 22:46
24:00 ☾
72% 7.7°C 0mm 84% 0cm -5° 10°C 0mm 0.2kPa 24134m 2.8m/s 2m/s
01:00 ☾
67% 7.5°C 0mm 83% 0cm -6.7° 10°C 0mm 0.21kPa 24135m 1.8m/s 1.9m/s
02:00 ☾
61% 7.1°C 0mm 80% 0cm -6.6° 10°C 0mm 0.25kPa 24134m 1.5m/s 1.6m/s
03:00 ☾
56% 6.6°C 0mm 78% 0cm -4.8° 10°C 0mm 0.27kPa 24134m 1.5m/s 1.5m/s
04:00 ☾
46% 6.5°C 0mm 78% 0cm -1.1° 10°C 0mm 0.27kPa 24134m 1.7m/s 1.7m/s
05:00
36% 6.6°C 0mm 77% 0cm 3.8° 10°C 0mm 0.29kPa 24135m 2.6m/s 2m/s
06:00
26% 7.3°C 0mm 73% 0cm 9.7° 12°C 0mm 0.38kPa 24135m 4.2m/s 1.8m/s
07:00
24% 7.9°C 0mm 67% 0cm 16° 14°C 0mm 0.53kPa 24135m 4.8m/s 2.1m/s
08:00
21% 8.2°C 0mm 60% 0cm 24° 16°C 0mm 0.72kPa 24134m 4.8m/s 2.5m/s
09:00
19% 8.1°C 0mm 53% 0cm 31° 18°C 0mm 0.95kPa 24134m 4.2m/s 2.6m/s
10:00
19% 8.1°C 0mm 49% 0cm 38° 19°C 0mm 1.1kPa 24134m 3.9m/s 2.8m/s
11:00
20% 8°C 0mm 47% 0cm 45° 20°C 0.06mm 1.2kPa 24135m 3.6m/s 2.9m/s
12:00
20% 7.7°C 0mm 42% 0cm 50° 21°C 0.06mm 1.5kPa 24134m 3.5m/s 2.8m/s
13:00
18% 7.6°C 0mm 39% 0cm 52° 22°C 0.06mm 1.7kPa 24135m 3.8m/s 2.7m/s
14:00
17% 7.4°C 0mm 36% 0cm 52° 24°C 0.06mm 1.9kPa 24135m 4.5m/s 3m/s
15:00
15% 7°C 0mm 34% 0cm 49° 24°C 0.06mm 2kPa 24135m 4.6m/s 3.6m/s
16:00
20% 6.8°C 0mm 35% 0cm 44° 23°C 0mm 1.9kPa 24134m 4.2m/s 3.9m/s
17:00
24% 7.2°C 0mm 37% 0cm 38° 23°C 0mm 1.8kPa 24135m 3.9m/s 3.3m/s
18:00
29% 7.4°C 0mm 38% 0cm 31° 22°C 0mm 1.7kPa 24134m 4m/s 2.9m/s
19:00
30% 7.9°C 0mm 45% 0cm 23° 20°C 0mm 1.3kPa 24135m 4.5m/s 3.5m/s
20:00
31% 8.9°C 0mm 60% 0cm 16° 17°C 0mm 0.76kPa 24135m 4.8m/s 2.8m/s
21:00
32% 9.6°C 0mm 69% 0cm 9.2° 15°C 0mm 0.54kPa 24135m 1.2m/s 0.93m/s
22:00
33% 9.1°C 0mm 72% 0cm 3.4° 14°C 0mm 0.45kPa 24135m 1.5m/s 1.2m/s
23:00 ☾
35% 8.6°C 0mm 75% 0cm -1.4° 13°C 0mm 0.37kPa 24135m 1.7m/s 1.5m/s
Tue, Jun 9 Sunrise 04:07 Sunset 22:48
24:00 ☾
36% 8.1°C 0mm 78% 0cm -4.9° 12°C 0mm 0.31kPa 24135m 1.9m/s 1.9m/s
01:00 ☾
36% 8.2°C 0mm 75% 0cm -6.6° 12°C 0mm 0.35kPa 24135m 2.1m/s 2m/s
02:00 ☾
35% 8.3°C 0mm 73% 0cm -6.6° 13°C 0mm 0.41kPa 24135m 2.3m/s 2.1m/s
03:00 ☾
35% 8.4°C 0mm 70% 0cm -4.7° 14°C 0mm 0.47kPa 24135m 2.5m/s 2.3m/s
04:00 ☾
35% 8.9°C 0mm 77% 0cm -1° 13°C 0mm 0.33kPa 20230m 3.5m/s 3.2m/s
05:00
36% 9.3°C 0mm 84% 0cm 3.8° 12°C 0mm 0.21kPa 16325m 4.5m/s 4.1m/s
06:00
36% 9.5°C 0mm 92% 0cm 9.7° 11°C 0mm 0.11kPa 12420m 5.5m/s 5m/s
07:00
37% 9.4°C 0mm 90% 0cm 17° 11°C 0mm 0.14kPa 12488m 5.4m/s 4.9m/s
08:00
39% 9.2°C 0mm 87% 0cm 24° 11°C 0mm 0.17kPa 12557m 5.4m/s 4.7m/s
09:00
40% 9°C 0mm 85% 0cm 31° 11°C 0mm 0.2kPa 12625m 5.3m/s 4.6m/s
10:00
43% 9.4°C 0mm 87% 0cm 38° 11°C 0mm 0.17kPa 16462m 5m/s 4.2m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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