Morning Frost Forecast for St. Moritz, Alps
St. Moritz overlooks the Engadin’s chain of lakes and larch-covered slopes, where frozen water and snowfields create broad minimalist winter compositions.
Currently
Real-time conditionsUpcoming Opportunities
When all conditions match, PhotoWeather marks an opportunity window.
No opportunities in the next 14 days
See which requirements block the most forecast hours below.
Most common blockers (93-hour forecast)
- Frost Probability100% of hours
- Time Window88% of hours
- Wind Speed69% of hours
How this forecast is evaluated
See which weather signals PhotoWeather uses to identify Morning Frost conditions across Alps. The requirements and hourly values below show how those signals apply at St. Moritz.
Explore Morning Frost conditions across Alps →Recorded match history
Completed PhotoWeather forecast matches recorded for this exact rule at St. Moritz during the last 365 days.
06:00 local time, shared by 9 of 27 matches recorded in the last 365 days.
March, with 11 of 27 matches recorded in the last 365 days.
These figures use completed PhotoWeather MatchEvent records from the previous 365 days only. They describe recorded forecast matches, not observations, climatological probability, or a guarantee of future conditions.
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93-hour requirements breakdown
When available, the detailed table below covers only the stated 93-hour horizon (typically 72–168 hours, depending on available hourly data). Opportunity records above span the next 14 days, so this table does not explain that entire 14-day period.
Time Europe/Zurich | Time Window Sunrise -45m to +90m | Frost Probability ≥ 60.0% | Wind Speed ≤ 1.5m/s |
|---|---|---|---|
| Sat, Aug 15 | |||
| 06:00 | ✓ | 0% | 1.1m/s |
| 07:00 | ✓ | 0% | 0.95m/s |
| 08:00 | ✕ | 0% | 0.74m/s |
| 09:00 | ✕ | 0% | 0.17m/s |
| 10:00 | ✕ | 0% | 0.54m/s |
| 11:00 | ✕ | 0% | 0.75m/s |
| 12:00 | ✕ | 0% | 1.1m/s |
| 13:00 | ✕ | 0% | 1.7m/s |
| 14:00 | ✕ | 0% | 3.1m/s |
| 15:00 | ✕ | 0% | 2.9m/s |
| 16:00 | ✕ | 0% | 1.8m/s |
| 17:00 | ✕ | 0% | 3.1m/s |
| 18:00 | ✕ | 0% | 2.1m/s |
| 19:00 | ✕ | 0% | 1.7m/s |
| 20:00 | ✕ | 0% | 1.2m/s |
| 21:00 | ✕ | 0% | 1.9m/s |
| 22:00 | ✕ | 0% | 1.3m/s |
| 23:00 | ✕ | 0% | 1.5m/s |
| Sun, Aug 16 | |||
| 24:00 | ✕ | 0% | 2m/s |
| 01:00 | ✕ | 0% | 2.6m/s |
| 02:00 | ✕ | 0% | 2.6m/s |
| 03:00 | ✕ | 0% | 2.6m/s |
| 04:00 | ✕ | 0% | 2.4m/s |
| 05:00 | ✓ | 0% | 2.4m/s |
| 06:00 | ✓ | 0% | 2.1m/s |
| 07:00 | ✓ | 0% | 1.6m/s |
| 08:00 | ✕ | 0% | 0.97m/s |
| 09:00 | ✕ | 0% | 0.45m/s |
| 10:00 | ✕ | 0% | 0.85m/s |
| 11:00 | ✕ | 0% | 1.3m/s |
| 12:00 | ✕ | 0% | 1.6m/s |
| 13:00 | ✕ | 0% | 1.8m/s |
| 14:00 | ✕ | 0% | 1.5m/s |
| 15:00 | ✕ | 0% | 1m/s |
| 16:00 | ✕ | 0% | 1m/s |
| 17:00 | ✕ | 0% | 1.7m/s |
| 18:00 | ✕ | 0% | 2.1m/s |
| 19:00 | ✕ | 0% | 3m/s |
| 20:00 | ✕ | 0% | 2.6m/s |
| 21:00 | ✕ | 0% | 2.1m/s |
| 22:00 | ✕ | 0% | 1.1m/s |
| 23:00 | ✕ | 0% | 1.9m/s |
| Mon, Aug 17 | |||
| 24:00 | ✕ | 0% | 1.3m/s |
| 01:00 | ✕ | 0% | 1.3m/s |
| 02:00 | ✕ | 0% | 1.3m/s |
| 03:00 | ✕ | 0% | 1.1m/s |
| 04:00 | ✕ | 0% | 1.3m/s |
| 05:00 | ✓ | 0% | 1.4m/s |
| 06:00 | ✓ | 0% | 1.4m/s |
| 07:00 | ✓ | 0% | 1.8m/s |
| 08:00 | ✕ | 0% | 1.4m/s |
| 09:00 | ✕ | 0% | 2.3m/s |
| 10:00 | ✕ | 0% | 2.6m/s |
| 11:00 | ✕ | 0% | 2.5m/s |
| 12:00 | ✕ | 0% | 3.3m/s |
| 13:00 | ✕ | 0% | 3.6m/s |
| 14:00 | ✕ | 0% | 3.8m/s |
| 15:00 | ✕ | 0% | 3.4m/s |
| 16:00 | ✕ | 0% | 3.5m/s |
| 17:00 | ✕ | 0% | 3.8m/s |
| 18:00 | ✕ | 0% | 3.7m/s |
| 19:00 | ✕ | 0% | 2.8m/s |
| 20:00 | ✕ | 0% | 3.2m/s |
| 21:00 | ✕ | 0% | 2.6m/s |
| 22:00 | ✕ | 0% | 3.3m/s |
| 23:00 | ✕ | 0% | 2.6m/s |
| Tue, Aug 18 | |||
| 24:00 | ✕ | 0% | 1.9m/s |
| 01:00 | ✕ | 0% | 2.3m/s |
| 02:00 | ✕ | 0% | 1.9m/s |
| 03:00 | ✕ | 0% | 2.2m/s |
| 04:00 | ✕ | 0% | 2.1m/s |
| 05:00 | ✓ | 0% | 2.3m/s |
| 06:00 | ✓ | 0% | 2.6m/s |
| 07:00 | ✓ | 0% | 2.5m/s |
| 08:00 | ✕ | 0% | 2.4m/s |
| 09:00 | ✕ | 0% | 2.6m/s |
| 10:00 | ✕ | 0% | 3.1m/s |
| 11:00 | ✕ | 0% | 3.4m/s |
| 12:00 | ✕ | 0% | 2.8m/s |
| 13:00 | ✕ | 0% | 2.8m/s |
| 14:00 | ✕ | 0% | 3.1m/s |
| 15:00 | ✕ | 0% | 2.8m/s |
| 16:00 | ✕ | 0% | 2.4m/s |
| 17:00 | ✕ | 0% | 2.1m/s |
| 18:00 | ✕ | 0% | 1.8m/s |
| 19:00 | ✕ | 0% | 1.6m/s |
| 20:00 | ✕ | 0% | 1.3m/s |
| 21:00 | ✕ | 0% | 1.3m/s |
| 22:00 | ✕ | 0% | 1.3m/s |
| 23:00 | ✕ | 0% | 1.3m/s |
| Wed, Aug 19 | |||
| 24:00 | ✕ | 0% | 1.2m/s |
| 01:00 | ✕ | 0% | 1.2m/s |
| 02:00 | ✕ | 0% | 1.1m/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/Zurich | Dew Point °C | Surface Temperature °C | Temperature °C | Time Window | Total Cloud Coverage % | Vapor Pressure Deficit kPa |
|---|---|---|---|---|---|---|
| Sun, Aug 16
Sunrise 06:20
Sunset 20:28 | ||||||
| 05:00
☾
| 5.6°C | 11°C | 8.8°C | - | 6% | 0.22kPa |
| 06:00
☾
| 5.6°C | 11°C | 8.5°C | - | 17% | 0.2kPa |
| 07:00 | 6.2°C | 11°C | 9.2°C | - | 22% | 0.22kPa |
| 08:00 | 7.1°C | 11°C | 12°C | - | 95% | 0.38kPa |
| 09:00 | 6.1°C | 11°C | 13°C | - | 96% | 0.58kPa |
| 10:00 | 5.3°C | 11°C | 14°C | - | 25% | 0.71kPa |
| 11:00 | 5.1°C | 12°C | 15°C | - | 8% | 0.82kPa |
| 12:00 | 5.4°C | 13°C | 16°C | - | 68% | 0.89kPa |
| 13:00 | 6°C | 13°C | 16°C | - | 85% | 0.84kPa |
| 14:00 | 6.6°C | 14°C | 15°C | - | 89% | 0.71kPa |
| 15:00 | 6.8°C | 14°C | 15°C | - | 92% | 0.68kPa |
| 16:00 | 7°C | 15°C | 15°C | - | 99% | 0.67kPa |
| 17:00 | 7.3°C | 15°C | 15°C | - | 100% | 0.64kPa |
| 18:00 | 8.3°C | 15°C | 13°C | - | 100% | 0.42kPa |
| 19:00 | 9°C | 15°C | 11°C | - | 100% | 0.2kPa |
| 20:00 | 9.1°C | 14°C | 10°C | - | 100% | 0.1kPa |
| 21:00
☾
| 8.9°C | 14°C | 9.9°C | - | 100% | 0.08kPa |
| 22:00
☾
| 8.3°C | 14°C | 9.5°C | - | 100% | 0.09kPa |
| 23:00
☾
| 7.9°C | 13°C | 9.4°C | - | 100% | 0.11kPa |
| Mon, Aug 17
Sunrise 06:20
Sunset 20:28 | ||||||
| 24:00
☾
| 7.4°C | 13°C | 9.6°C | - | 83% | 0.16kPa |
| 01:00
☾
| 6.2°C | 13°C | 8.8°C | - | 100% | 0.18kPa |
| 02:00
☾
| 5.8°C | 12°C | 8.8°C | - | 100% | 0.2kPa |
| 03:00
☾
| 5.3°C | 12°C | 8.4°C | - | 100% | 0.21kPa |
| 04:00
☾
| 5.3°C | 12°C | 8.5°C | - | 100% | 0.22kPa |
| 05:00
☾
| 5.1°C | 11°C | 8.4°C | - | 100% | 0.23kPa |
| 06:00
☾
| 4.6°C | 11°C | 7.9°C | - | 100% | 0.22kPa |
| 07:00 | 5.1°C | 11°C | 8.5°C | - | 100% | 0.23kPa |
| 08:00 | 5.5°C | 11°C | 10°C | - | 100% | 0.32kPa |
| 09:00 | 5.8°C | 11°C | 11°C | - | 94% | 0.37kPa |
| 10:00 | 6.6°C | 11°C | 12°C | - | 5% | 0.41kPa |
| 11:00 | 7.5°C | 12°C | 13°C | - | 100% | 0.42kPa |
| 12:00 | 7.8°C | 12°C | 13°C | - | 100% | 0.41kPa |
| 13:00 | 7.9°C | 13°C | 13°C | - | 100% | 0.39kPa |
| 14:00 | 7.7°C | 13°C | 12°C | - | 100% | 0.35kPa |
| 15:00 | 7.3°C | 13°C | 11°C | - | 100% | 0.29kPa |
| 16:00 | 6.9°C | 13°C | 11°C | - | 81% | 0.31kPa |
| 17:00 | 7.1°C | 13°C | 11°C | - | 94% | 0.3kPa |
| 18:00 | 6.9°C | 13°C | 11°C | - | 100% | 0.28kPa |
| 19:00 | 6.5°C | 13°C | 9.7°C | - | 63% | 0.24kPa |
| 20:00 | 6.7°C | 13°C | 8.4°C | - | 100% | 0.13kPa |
| 21:00
☾
| 6.6°C | 12°C | 7.5°C | - | 84% | 0.06kPa |
| 22:00
☾
| 6°C | 12°C | 6.6°C | - | 78% | 0.04kPa |
| 23:00
☾
| 6°C | 12°C | 6.6°C | - | 90% | 0.04kPa |
| Tue, Aug 18
Sunrise 06:21
Sunset 20:26 | ||||||
| 24:00
☾
| 5.5°C | 11°C | 6.9°C | - | 48% | 0.09kPa |
| 01:00
☾
| 5°C | 11°C | 6.4°C | - | 100% | 0.09kPa |
| 02:00
☾
| 5.5°C | 11°C | 7°C | - | 46% | 0.1kPa |
| 03:00
☾
| 5.2°C | 10°C | 6.1°C | - | 35% | 0.06kPa |
| 04:00
☾
| 5.1°C | 10°C | 5.8°C | - | 24% | 0.05kPa |
| 05:00
☾
| 5°C | 9.7°C | 5.5°C | - | 19% | 0.04kPa |
| 06:00
☾
| 4.9°C | 9.4°C | 5.3°C | - | 32% | 0.03kPa |
| 07:00 | 5.4°C | 9.1°C | 6°C | - | 47% | 0.04kPa |
| 08:00 | 5.7°C | 9°C | 7.4°C | - | 47% | 0.11kPa |
| 09:00 | 5.5°C | 9.2°C | 8.9°C | - | 100% | 0.23kPa |
| 10:00 | 5.4°C | 9.6°C | 10°C | - | 100% | 0.34kPa |
| 11:00 | 5.5°C | 10°C | 11°C | - | 84% | 0.44kPa |
| 12:00 | 5.7°C | 11°C | 11°C | - | 29% | 0.44kPa |
| 13:00 | 5.8°C | 11°C | 13°C | - | 5% | 0.59kPa |
| 14:00 | 5.9°C | 12°C | 14°C | - | 86% | 0.7kPa |
| 15:00 | 6.2°C | 12°C | 12°C | - | 88% | 0.47kPa |
| 16:00 | 6.3°C | 13°C | 10°C | - | 90% | 0.28kPa |
| 17:00 | 6°C | 13°C | 8°C | - | 92% | 0.14kPa |
| 18:00 | 5.7°C | 12°C | 7.7°C | - | 95% | 0.13kPa |
| 19:00 | 5.5°C | 12°C | 7.4°C | - | 97% | 0.13kPa |
| 20:00 | 5.2°C | 11°C | 7.1°C | - | 100% | 0.12kPa |
| 21:00
☾
| 5°C | 11°C | 6.9°C | - | 96% | 0.12kPa |
| 22:00
☾
| 4.7°C | 10°C | 6.7°C | - | 91% | 0.13kPa |
| 23:00
☾
| 4.4°C | 9.9°C | 6.4°C | - | 87% | 0.13kPa |
| Wed, Aug 19
Sunrise 06:22
Sunset 20:25 | ||||||
| 24:00
☾
| 4.8°C | 9.6°C | 7.6°C | - | 60% | 0.18kPa |
| 01:00
☾
| 5.2°C | 9.3°C | 8.7°C | - | 32% | 0.24kPa |
| 02:00
☾
| 5.5°C | 9.1°C | 9.8°C | - | 5% | 0.31kPa |
| 03:00
☾
| 5.9°C | 9.7°C | 11°C | - | 4% | 0.41kPa |
| 04:00
☾
| 6.2°C | 10°C | 13°C | - | 3% | 0.53kPa |
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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