Scottish Highlands - Morning Frost - Scotland
Frost crystals on calm, cold mornings near sunrise
No Morning Frost opportunities in the next 14 days
Tip: Scroll down to the 72-hour table to see exactly which condition fails hour by hour.
Currently
Real-time conditionsUpcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
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 ruleThis forecast tracks the conditions that create Scotland's dramatic frost photography opportunities. We combine temperature, dewpoint, wind, and humidity data to predict when hoar frost will form across Highland landscapes.
The Scottish Highlands offer exceptional frost photography from November through March. Cold clear nights combined with Scotland's naturally high humidity create heavy hoar frost formations that transform heather moorlands, frozen lochs, and mountain valleys into winter wonderlands. The dramatic Highland topography means frost conditions vary by elevation and exposure, creating diverse opportunities.
What makes Scotland special for frost photography:
- Highland hoar frost - Heavy frost deposits on heather create sparkling purple-white moorlands
- Frozen lochs - Ice formations along loch shores, particularly in the Cairngorms
- Mountain ice crystals - High Cairngorms peaks develop spectacular rime ice formations
- Glen Coe frost - The famous valley transformed by frost on grass and bracken
Rannoch Moor becomes otherworldly under heavy frost—the vast peatland plateau covered in sparkling crystals with distant peaks beyond. The Cairngorms' high elevation means consistent frost formation, with frozen pools and ice-covered grasses creating miniature landscapes. Glen Coe's dramatic valley takes on ethereal beauty when frost transforms the bracken-covered slopes. Frozen lochs like Loch an Eilein develop fascinating ice patterns along their shores. The key is clear, calm nights following cold days—our forecast identifies these conditions and tracks morning visibility to ensure you can capture the frost before it melts.
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72-hour requirements breakdown
What passed or failed, hour by hourTime Europe/London | Time Window Sunrise -45m to +90m | Frost Probability ≥ 60.0% | Wind Speed ≤ 1.5m/s |
|---|---|---|---|
| Sat, Feb 21 | |||
| 19:00 | ✕ | 47% | 2.5m/s |
| 20:00 | ✕ | 45% | 2.9m/s |
| 21:00 | ✕ | 45% | 3.2m/s |
| 22:00 | ✕ | 45% | 3.1m/s |
| 23:00 | ✕ | 44% | 4.9m/s |
| Sun, Feb 22 | |||
| 24:00 | ✕ | 45% | 3.4m/s |
| 01:00 | ✕ | 45% | 4m/s |
| 02:00 | ✕ | 45% | 3.6m/s |
| 03:00 | ✕ | 45% | 3.1m/s |
| 04:00 | ✕ | 45% | 3.2m/s |
| 05:00 | ✕ | 45% | 3.4m/s |
| 06:00 | ✓ | 45% | 3.7m/s |
| 07:00 | ✓ | 43% | 4.2m/s |
| 08:00 | ✓ | 47% | 4.3m/s |
| 09:00 | ✕ | 45% | 4.2m/s |
| 10:00 | ✕ | 56% | 6.8m/s |
| 11:00 | ✕ | 63% | 6.9m/s |
| 12:00 | ✕ | 67% | 7.4m/s |
| 13:00 | ✕ | 76% | 7.1m/s |
| 14:00 | ✕ | 72% | 7.1m/s |
| 15:00 | ✕ | 56% | 7.1m/s |
| 16:00 | ✕ | 67% | 6.2m/s |
| 17:00 | ✕ | 45% | 3.5m/s |
| 18:00 | ✕ | 43% | 4.2m/s |
| 19:00 | ✕ | 47% | 5.3m/s |
| 20:00 | ✕ | 47% | 4.5m/s |
| 21:00 | ✕ | 50% | 5.2m/s |
| 22:00 | ✕ | 47% | 4.6m/s |
| 23:00 | ✕ | 49% | 3.9m/s |
| Mon, Feb 23 | |||
| 24:00 | ✕ | 45% | 4.1m/s |
| 01:00 | ✕ | 45% | 3.5m/s |
| 02:00 | ✕ | 45% | 3.2m/s |
| 03:00 | ✕ | 43% | 4.3m/s |
| 04:00 | ✕ | 43% | 4.3m/s |
| 05:00 | ✕ | 43% | 5.1m/s |
| 06:00 | ✓ | 43% | 4.8m/s |
| 07:00 | ✓ | 43% | 4.5m/s |
| 08:00 | ✓ | 45% | 3.5m/s |
| 09:00 | ✕ | 45% | 3.7m/s |
| 10:00 | ✕ | 43% | 4.4m/s |
| 11:00 | ✕ | 45% | 3.1m/s |
| 12:00 | ✕ | 45% | 3m/s |
| 13:00 | ✕ | 39% | 3.4m/s |
| 14:00 | ✕ | 40% | 5m/s |
| 15:00 | ✕ | 42% | 4.2m/s |
| 16:00 | ✕ | 44% | 2.8m/s |
| 17:00 | ✕ | 41% | 1.8m/s |
| 18:00 | ✕ | 41% | 2.3m/s |
| 19:00 | ✕ | 41% | 2.1m/s |
| 20:00 | ✕ | 37% | 2.4m/s |
| 21:00 | ✕ | 37% | 2.6m/s |
| 22:00 | ✕ | 37% | 2.7m/s |
| 23:00 | ✕ | 37% | 2.4m/s |
| Tue, Feb 24 | |||
| 24:00 | ✕ | 37% | 2.6m/s |
| 01:00 | ✕ | 35% | 2.9m/s |
| 02:00 | ✕ | 35% | 3m/s |
| 03:00 | ✕ | 35% | 3.2m/s |
| 04:00 | ✕ | 35% | 3.1m/s |
| 05:00 | ✕ | 35% | 3.1m/s |
| 06:00 | ✓ | 37% | 2.7m/s |
| 07:00 | ✓ | 35% | 2.8m/s |
| 08:00 | ✓ | 35% | 3.2m/s |
| 09:00 | ✕ | 35% | 3.7m/s |
| 10:00 | ✕ | 20% | 3.6m/s |
| 11:00 | ✕ | 24% | 4m/s |
| 12:00 | ✕ | 25% | 4.8m/s |
| 13:00 | ✕ | 18% | 5.1m/s |
| 14:00 | ✕ | 15% | 4.7m/s |
| 15:00 | ✕ | 15% | 4.3m/s |
| 16:00 | ✕ | 15% | 4.5m/s |
| 17:00 | ✕ | 17% | 4.1m/s |
| 18:00 | ✕ | 13% | 3.8m/s |
| 19:00 | ✕ | 11% | 3.4m/s |
| 20:00 | ✕ | 11% | 3.2m/s |
| 21:00 | ✕ | 11% | 3m/s |
| 22:00 | ✕ | 11% | 3.1m/s |
| 23:00 | ✕ | 11% | 2.9m/s |
| Wed, Feb 25 | |||
| 24:00 | ✕ | 13% | 2.7m/s |
| 01:00 | ✕ | 13% | 2.4m/s |
| 02:00 | ✕ | 13% | 2.1m/s |
| 03:00 | ✕ | 13% | 1.9m/s |
| 04:00 | ✕ | 13% | 2m/s |
| 05:00 | ✕ | 13% | 2.1m/s |
| 06:00 | ✓ | 13% | 2.2m/s |
| 07:00 | ✓ | 13% | 2.3m/s |
| 08:00 | ✓ | 13% | 2.5m/s |
| 09:00 | ✕ | 13% | 2.6m/s |
| 10:00 | ✕ | 11% | 3m/s |
| 11:00 | ✕ | 11% | 3.5m/s |
| 12:00 | ✕ | 11% | 3.9m/s |
| 13:00 | ✕ | 9% | 4.4m/s |
| 14:00 | ✕ | 9% | 4.8m/s |
| 15:00 | ✕ | 9% | 5.2m/s |
| 16:00 | ✕ | 9% | 5m/s |
| 17:00 | ✕ | 9% | 4.8m/s |
What does Frost Probability mean?
Inputs that drive the scoreThis 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/London | Dew Point °C | Surface Temperature °C | Temperature °C | Time Window | Total Cloud Coverage % | Vapor Pressure Deficit kPa |
|---|---|---|---|---|---|---|
| Sun, Feb 22
Sunrise 07:27
Sunset 17:32 | ||||||
| 19:00 ☾ | 0.3°C | 0.71°C | 1.4°C | - | 100% | 0.05kPa |
| 20:00 ☾ | 0.4°C | 0.67°C | 1.6°C | - | 100% | 0.06kPa |
| 21:00 ☾ | -0.1°C | 0.64°C | 2.2°C | - | 82% | 0.11kPa |
| 22:00 ☾ | 0.1°C | 0.6°C | 1.6°C | - | 99% | 0.07kPa |
| 23:00 ☾ | 0.2°C | 0.57°C | 1.7°C | - | 94% | 0.07kPa |
| Mon, Feb 23
Sunrise 07:24
Sunset 17:34 | ||||||
| 24:00 ☾ | 0.7°C | 0.54°C | 1.2°C | - | 100% | 0.02kPa |
| 01:00 ☾ | 0.7°C | 0.52°C | 0.95°C | - | 100% | 0.01kPa |
| 02:00 ☾ | 0.5°C | 0.5°C | 0.65°C | - | 100% | 0.01kPa |
| 03:00 ☾ | 0.3°C | 0.48°C | 0.63°C | - | 100% | 0.01kPa |
| 04:00 ☾ | 1.6°C | 0.46°C | 2°C | - | 100% | 0.02kPa |
| 05:00 ☾ | 1.9°C | 0.46°C | 2.4°C | - | 100% | 0.02kPa |
| 06:00 ☾ | 1.8°C | 0.47°C | 2.2°C | - | 100% | 0.02kPa |
| 07:00 ☾ | 1.7°C | 0.47°C | 2.1°C | - | 100% | 0.02kPa |
| 08:00 | 1.6°C | 0.48°C | 1.9°C | - | 100% | 0.02kPa |
| 09:00 | 1.7°C | 0.53°C | 2.1°C | - | 100% | 0.02kPa |
| 10:00 | 1.7°C | 0.66°C | 2.1°C | - | 100% | 0.02kPa |
| 11:00 | 1.9°C | 0.76°C | 2.3°C | - | 100% | 0.02kPa |
| 12:00 | 2.4°C | 0.87°C | 2.7°C | - | 100% | 0.02kPa |
| 13:00 | 2.4°C | 1°C | 3.5°C | - | 100% | 0.06kPa |
| 14:00 | 1.9°C | 1.3°C | 4.7°C | - | 100% | 0.15kPa |
| 15:00 | 1.9°C | 1.5°C | 4.6°C | - | 100% | 0.15kPa |
| 16:00 | 1.9°C | 1.7°C | 4.4°C | - | 100% | 0.14kPa |
| 17:00 | 1.5°C | 1.7°C | 3.3°C | - | 100% | 0.1kPa |
| 18:00 ☾ | 1°C | 1.5°C | 2.4°C | - | 100% | 0.07kPa |
| 19:00 ☾ | 1.5°C | 1.5°C | 2.6°C | - | 100% | 0.05kPa |
| 20:00 ☾ | 1.8°C | 1.4°C | 2.5°C | - | 100% | 0.04kPa |
| 21:00 ☾ | 2°C | 1.4°C | 2.5°C | - | 100% | 0.03kPa |
| 22:00 ☾ | 2°C | 1.4°C | 2.4°C | - | 100% | 0.02kPa |
| 23:00 ☾ | 2.1°C | 1.4°C | 2.4°C | - | 100% | 0.02kPa |
| Tue, Feb 24
Sunrise 07:22
Sunset 17:36 | ||||||
| 24:00 ☾ | 2.2°C | 1.5°C | 2.5°C | - | 100% | 0.02kPa |
| 01:00 ☾ | 2.2°C | 1.5°C | 2.5°C | - | 100% | 0.02kPa |
| 02:00 ☾ | 2.2°C | 1.5°C | 2.5°C | - | 100% | 0.01kPa |
| 03:00 ☾ | 2.3°C | 1.6°C | 2.6°C | - | 100% | 0.01kPa |
| 04:00 ☾ | 2.5°C | 1.6°C | 2.7°C | - | 100% | 0.01kPa |
| 05:00 ☾ | 2.6°C | 1.7°C | 2.7°C | - | 100% | 0.01kPa |
| 06:00 ☾ | 2.7°C | 1.7°C | 2.9°C | - | 100% | 0.01kPa |
| 07:00 ☾ | 2.9°C | 1.8°C | 3.1°C | - | 100% | 0.01kPa |
| 08:00 | 3.1°C | 1.9°C | 3.3°C | - | 100% | 0.01kPa |
| 09:00 | 3.6°C | 2°C | 3.8°C | - | 100% | 0.01kPa |
| 10:00 | 4°C | 2.2°C | 4.5°C | - | 100% | 0.03kPa |
| 11:00 | 4°C | 2.6°C | 5.4°C | - | 100% | 0.08kPa |
| 12:00 | 4.1°C | 2.9°C | 6.2°C | - | 100% | 0.12kPa |
| 13:00 | 4.3°C | 3.4°C | 6.3°C | - | 100% | 0.13kPa |
| 14:00 | 4.6°C | 3.7°C | 6.2°C | - | 100% | 0.1kPa |
| 15:00 | 4.6°C | 3.9°C | 5.9°C | - | 100% | 0.08kPa |
| 16:00 | 4.6°C | 4°C | 6.1°C | - | 100% | 0.09kPa |
| 17:00 | 4°C | 4°C | 5.6°C | - | 100% | 0.09kPa |
| 18:00 ☾ | 4.6°C | 4°C | 5.3°C | - | 100% | 0.04kPa |
| 19:00 ☾ | 5°C | 4°C | 5.3°C | - | 100% | 0.02kPa |
| 20:00 ☾ | 5°C | 4°C | 5.3°C | - | 100% | 0.02kPa |
| 21:00 ☾ | 5°C | 4°C | 5.2°C | - | 100% | 0.01kPa |
| 22:00 ☾ | 5°C | 4°C | 5.2°C | - | 100% | 0.01kPa |
| 23:00 ☾ | 5.1°C | 4°C | 5.3°C | - | 100% | 0.01kPa |
| Wed, Feb 25
Sunrise 07:19
Sunset 17:39 | ||||||
| 24:00 ☾ | 5.1°C | 4.1°C | 5.3°C | - | 100% | 0.01kPa |
| 01:00 ☾ | 5.1°C | 4.1°C | 5.4°C | - | 100% | 0.01kPa |
| 02:00 ☾ | 5.2°C | 4.1°C | 5.5°C | - | 100% | 0.02kPa |
| 03:00 ☾ | 5.3°C | 4.2°C | 5.6°C | - | 100% | 0.02kPa |
| 04:00 ☾ | 5.3°C | 4.2°C | 5.6°C | - | 100% | 0.02kPa |
| 05:00 ☾ | 5.3°C | 4.3°C | 5.6°C | - | 100% | 0.01kPa |
| 06:00 ☾ | 5.4°C | 4.4°C | 5.6°C | - | 100% | 0.01kPa |
| 07:00 ☾ | 5.5°C | 4.4°C | 5.7°C | - | 100% | 0.01kPa |
| 08:00 | 5.6°C | 4.4°C | 5.8°C | - | 100% | 0.01kPa |
| 09:00 | 5.7°C | 4.5°C | 5.9°C | - | 100% | 0.01kPa |
| 10:00 | 5.8°C | 4.5°C | 6.1°C | - | 100% | 0.02kPa |
| 11:00 | 5.9°C | 4.6°C | 6.2°C | - | 100% | 0.02kPa |
| 12:00 | 6°C | 4.6°C | 6.4°C | - | 100% | 0.03kPa |
| 13:00 | 6°C | 4.7°C | 6.5°C | - | 100% | 0.03kPa |
| 14:00 | 6°C | 4.8°C | 6.5°C | - | 100% | 0.03kPa |
| 15:00 | 6°C | 4.9°C | 6.6°C | - | 100% | 0.03kPa |
| 16:00 | 5.7°C | 4.9°C | 6.3°C | - | 100% | 0.04kPa |
| 17:00 | 5.3°C | 4.9°C | 6°C | - | 100% | 0.04kPa |
| 18:00 ☾ | 4.9°C | 4.9°C | 5.7°C | - | 100% | 0.04kPa |
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