Rule Morning Frost

Morning Frost Forecast for Takayama, Japan

Takayama, Gifu, Japan

Takayama's preserved wooden merchant streets sit in a mountain basin, with canals, market stalls, and receding rooflines defining compositions.

Currently

Real-time conditions

Frost Probability

Soil Temperature19.9°C

Dew Point16.2°C (high dew point)

Wind Speed0.6m/s (calm conditions)

Cloud Cover18%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

No opportunities in the next 14 days

See which requirements block the most forecast hours below.

Most common blockers (95-hour forecast)

Time Window100% of hours
Frost Probability100% of hours
Wind Speed18% of hours

How this forecast is evaluated

See which weather signals PhotoWeather uses to identify Morning Frost conditions across Japan. The requirements and hourly values below show how those signals apply at Takayama.

Explore Morning Frost conditions across Japan →

Recorded match history

Completed PhotoWeather forecast matches recorded for this exact rule at Takayama during the last 365 days.

Last 30 days

recorded matching windows

Last 90 days

recorded matching windows

Last 365 days

recorded matching windows · 65% average confidence

Most represented month

February, with 24 of 30 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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95-hour requirements breakdown

When available, the detailed table below covers only the stated 95-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.

What passed or failed, hour by hour

0matching hours in the next 95 hours

AND logic: all conditions required

Meets requirement

Misses requirement

Time Asia/Tokyo	Time Window Sunrise -45m to +90m	Frost Probability ≥ 60.0%	Wind Speed ≤ 1.5m/s
Sat, Aug 22
04:00	✕	0%	0.59m/s
05:00	✕	0%	0.92m/s
06:00	✕	0%	0.38m/s
07:00	✕	0%	0.55m/s
08:00	✕	0%	0.73m/s
09:00	✕	0%	0.52m/s
10:00	✕	0%	0.78m/s
11:00	✕	0%	1.4m/s
12:00	✕	0%	2.5m/s
13:00	✕	0%	3.8m/s
14:00	✕	0%	3.3m/s
15:00	✕	0%	2.2m/s
16:00	✕	0%	2m/s
17:00	✕	0%	0.97m/s
18:00	✕	0%	0.22m/s
19:00	✕	0%	0.6m/s
20:00	✕	0%	0.65m/s
21:00	✕	0%	0.68m/s
22:00	✕	0%	0.6m/s
23:00	✕	0%	0.58m/s
Sun, Aug 23
24:00	✕	0%	0.76m/s
01:00	✕	0%	0.82m/s
02:00	✕	0%	0.65m/s
03:00	✕	0%	0.68m/s
04:00	✕	0%	0.78m/s
05:00	✕	0%	0.62m/s
06:00	✕	0%	1.3m/s
07:00	✕	0%	0.84m/s
08:00	✕	0%	0.62m/s
09:00	✕	0%	0.53m/s
10:00	✕	0%	0.85m/s
11:00	✕	0%	1.5m/s
12:00	✕	0%	2.5m/s
13:00	✕	0%	2.3m/s
14:00	✕	0%	2.7m/s
15:00	✕	0%	3.4m/s
16:00	✕	0%	2.2m/s
17:00	✕	0%	1.9m/s
18:00	✕	0%	1.2m/s
19:00	✕	0%	0.59m/s
20:00	✕	0%	0.49m/s
21:00	✕	0%	0.92m/s
22:00	✕	0%	1.1m/s
23:00	✕	0%	1.1m/s
Mon, Aug 24
24:00	✕	0%	1.4m/s
01:00	✕	0%	1.3m/s
02:00	✕	0%	1.3m/s
03:00	✕	0%	1.1m/s
04:00	✕	0%	0.85m/s
05:00	✕	0%	0.81m/s
06:00	✕	0%	0.7m/s
07:00	✕	0%	0.45m/s
08:00	✕	0%	0.5m/s
09:00	✕	0%	0.35m/s
10:00	✕	0%	0.65m/s
11:00	✕	0%	0.91m/s
12:00	✕	0%	0.98m/s
13:00	✕	0%	1.9m/s
14:00	✕	0%	2.9m/s
15:00	✕	0%	2.6m/s
16:00	✕	0%	2.3m/s
17:00	✕	0%	1.3m/s
18:00	✕	0%	1.2m/s
19:00	✕	0%	0.34m/s
20:00	✕	0%	0.24m/s
21:00	✕	0%	0.86m/s
22:00	✕	0%	1m/s
23:00	✕	0%	1m/s
Tue, Aug 25
24:00	✕	0%	0.67m/s
01:00	✕	0%	1.1m/s
02:00	✕	0%	0.52m/s
03:00	✕	0%	1.1m/s
04:00	✕	0%	0.58m/s
05:00	✕	0%	0.4m/s
06:00	✕	0%	0.54m/s
07:00	✕	0%	0.35m/s
08:00	✕	0%	0.21m/s
09:00	✕	0%	0.55m/s
10:00	✕	0%	0.93m/s
11:00	✕	0%	1.3m/s
12:00	✕	0%	1.7m/s
13:00	✕	0%	1.6m/s
14:00	✕	0%	1.4m/s
15:00	✕	0%	1.2m/s
16:00	✕	0%	1.1m/s
17:00	✕	0%	0.99m/s
18:00	✕	0%	0.86m/s
19:00	✕	0%	0.76m/s
20:00	✕	0%	0.66m/s
21:00	✕	0%	0.56m/s
22:00	✕	0%	0.67m/s
23:00	✕	0%	0.79m/s
Wed, Aug 26
24:00	✕	0%	0.91m/s
01:00	✕	0%	1.4m/s
02:00	✕	0%	1.8m/s

How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Frost 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 Asia/Tokyo	Dew Point °C	Surface Temperature °C	Temperature °C	Time Window	Total Cloud Coverage %	Vapor Pressure Deficit kPa
Sun, Aug 23 Sunrise 05:14 Sunset 18:32
05:00 ☾	16°C	20°C	17°C	-	18%	0.07kPa
06:00 ☾	17°C	20°C	17°C	-	100%	0.07kPa
07:00 ☾	18°C	20°C	19°C	-	72%	0.14kPa
08:00 ☾	19°C	20°C	22°C	-	100%	0.34kPa
09:00	19°C	20°C	25°C	-	100%	0.85kPa
10:00	18°C	20°C	27°C	-	100%	1.5kPa
11:00	18°C	20°C	29°C	-	100%	1.9kPa
12:00	17°C	21°C	28°C	-	58%	1.9kPa
13:00	17°C	21°C	29°C	-	32%	2kPa
14:00	17°C	21°C	29°C	-	18%	2.1kPa
15:00	18°C	21°C	29°C	-	24%	1.9kPa
16:00	19°C	22°C	28°C	-	9%	1.5kPa
17:00	22°C	22°C	24°C	-	4%	0.47kPa
18:00	20°C	22°C	22°C	-	4%	0.3kPa
19:00 ☾	19°C	22°C	20°C	-	0%	0.19kPa
20:00 ☾	18°C	21°C	19°C	-	1%	0.13kPa
21:00 ☾	18°C	21°C	18°C	-	4%	0.1kPa
22:00 ☾	18°C	21°C	18°C	-	0%	0.07kPa
23:00 ☾	18°C	21°C	18°C	-	18%	0.06kPa
Mon, Aug 24 Sunrise 05:15 Sunset 18:31
24:00 ☾	18°C	21°C	18°C	-	19%	0.04kPa
01:00 ☾	18°C	21°C	18°C	-	57%	0.03kPa
02:00 ☾	18°C	21°C	18°C	-	80%	0.04kPa
03:00 ☾	18°C	21°C	19°C	-	82%	0.04kPa
04:00 ☾	19°C	20°C	19°C	-	66%	0.04kPa
05:00 ☾	18°C	20°C	19°C	-	52%	0.05kPa
06:00 ☾	19°C	20°C	19°C	-	36%	0.06kPa
07:00 ☾	19°C	20°C	20°C	-	2%	0.15kPa
08:00 ☾	20°C	20°C	22°C	-	0%	0.4kPa
09:00	20°C	20°C	26°C	-	0%	0.99kPa
10:00	19°C	21°C	28°C	-	0%	1.6kPa
11:00	18°C	21°C	30°C	-	0%	2.1kPa
12:00	18°C	21°C	31°C	-	2%	2.4kPa
13:00	18°C	22°C	31°C	-	28%	2.5kPa
14:00	18°C	22°C	31°C	-	45%	2.3kPa
15:00	19°C	22°C	29°C	-	35%	1.8kPa
16:00	20°C	22°C	28°C	-	32%	1.3kPa
17:00	23°C	22°C	25°C	-	76%	0.45kPa
18:00	21°C	22°C	22°C	-	93%	0.24kPa
19:00 ☾	20°C	22°C	20°C	-	100%	0.1kPa
20:00 ☾	20°C	22°C	20°C	-	96%	0.08kPa
21:00 ☾	19°C	22°C	20°C	-	100%	0.07kPa
22:00 ☾	19°C	22°C	19°C	-	76%	0.06kPa
23:00 ☾	19°C	22°C	19°C	-	62%	0.05kPa
Tue, Aug 25 Sunrise 05:16 Sunset 18:30
24:00 ☾	18°C	22°C	19°C	-	4%	0.05kPa
01:00 ☾	18°C	21°C	18°C	-	9%	0.04kPa
02:00 ☾	18°C	21°C	18°C	-	13%	0.04kPa
03:00 ☾	18°C	21°C	18°C	-	25%	0.04kPa
04:00 ☾	18°C	21°C	18°C	-	42%	0.03kPa
05:00 ☾	18°C	21°C	18°C	-	59%	0.04kPa
06:00 ☾	18°C	21°C	19°C	-	61%	0.05kPa
07:00 ☾	19°C	21°C	20°C	-	54%	0.1kPa
08:00 ☾	20°C	21°C	21°C	-	32%	0.21kPa
09:00	20°C	21°C	24°C	-	8%	0.64kPa
10:00	20°C	21°C	23°C	-	7%	0.51kPa
11:00	20°C	22°C	23°C	-	6%	0.39kPa
12:00	20°C	22°C	22°C	-	4%	0.29kPa
13:00	20°C	22°C	21°C	-	10%	0.2kPa
14:00	19°C	22°C	20°C	-	16%	0.12kPa
15:00	19°C	21°C	20°C	-	22%	0.05kPa
16:00	19°C	21°C	19°C	-	31%	0.04kPa
17:00	19°C	21°C	19°C	-	39%	0.03kPa
18:00	19°C	21°C	19°C	-	47%	0.02kPa
19:00 ☾	19°C	21°C	19°C	-	37%	0.02kPa
20:00 ☾	18°C	21°C	18°C	-	26%	0.03kPa
21:00 ☾	18°C	21°C	18°C	-	16%	0.04kPa
22:00 ☾	18°C	21°C	18°C	-	13%	0.04kPa
23:00 ☾	17°C	20°C	18°C	-	10%	0.05kPa
Wed, Aug 26 Sunrise 05:17 Sunset 18:28
24:00 ☾	17°C	20°C	18°C	-	6%	0.05kPa
01:00 ☾	18°C	20°C	20°C	-	8%	0.26kPa
02:00 ☾	18°C	20°C	21°C	-	9%	0.52kPa
03:00 ☾	18°C	20°C	23°C	-	10%	0.83kPa
04:00 ☾	18°C	20°C	24°C	-	31%	0.95kPa

How to read: these inputs help produce the derived score; they are not requirements by themselves.

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.

How opportunities work → Weather data sources →

Forecast generated

Aug 22, 2026, 7:01 PM UTC

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