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No opportunity windows are predicted in the next 10 days. Conditions can change quickly, so check back for updates.

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Rule Morning Frost

Osaka - Morning Frost - Japan

Q: What conditions does Morning Frost look for?

Time Window: Sunrise -45m to +90m. Frost Probability: ≥ 60.0%. Wind Speed: ≤ 1.5m/s

Osaka, Osaka, Japan

Frost crystals on calm, cold mornings near sunrise

No opportunities right now

Here’s what usually blocks matches

No Morning Frost opportunities in the next 14 days

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Rule requirements (key thresholds)

Time Window · Sunrise -45m to +90m Frost Probability · ≥ 60.0% Wind Speed · ≤ 1.5m/s

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

Most common blockers (next 72 hours)

Time Window 100% failing

Frost Probability 100% failing

Wind Speed 63% failing

Currently

Real-time conditions

Frost Probability

Soil Temperature25.5°C

Dew Point21.1°C (high dew point)

Wind Speed2.8m/s (calm conditions)

Cloud Cover100%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Asia/Tokyo

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

Japan's winter transforms its iconic landscapes into scenes of serene beauty that embody the aesthetic principle of wabi-sabi—finding beauty in impermanence and imperfection. This forecast tracks frost and freezing conditions across Japan's diverse winter photography destinations.

Winter photography opportunities across Japan:

Kyoto's snow-covered temples - Kinkaku-ji golden pavilion and Fushimi Inari shrine gates become ethereal under fresh snow
Hokkaido's frozen landscapes - The Blue Pond in Biei develops stunning ice patterns and frost-covered trees create otherworldly scenes
Mountain shrines - Nikko's ornate Toshogu shrine complex gains dramatic contrast under winter snow
Historic streets - Takayama's preserved Edo-period town appears suspended in time with frost-laden roofs
Ice formations - Mountain shrines and waterfalls develop intricate ice sculptures

The season runs from December through February across most of Japan, with Hokkaido remaining frozen well into March. Early morning shoots capture hoarfrost at its peak before the sun melts the delicate ice crystals. The contrast between traditional architecture and pristine snow creates compositions rich in cultural depth.

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72-hour requirements breakdown

What passed or failed, hour by hour

0matching hours in the next 79 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
Wed, Jul 8
14:00	✕	0%	4.6m/s
15:00	✕	0%	5.2m/s
16:00	✕	0%	4.9m/s
17:00	✕	0%	4.4m/s
18:00	✕	0%	3.5m/s
19:00	✕	0%	3.2m/s
20:00	✕	0%	3.1m/s
21:00	✕	0%	3m/s
22:00	✕	0%	2.9m/s
23:00	✕	0%	2.8m/s
Thu, Jul 9
24:00	✕	0%	2.6m/s
01:00	✕	0%	2.3m/s
02:00	✕	0%	1.9m/s
03:00	✕	0%	1.4m/s
04:00	✕	0%	1m/s
05:00	✕	0%	0.36m/s
06:00	✕	0%	0.71m/s
07:00	✕	0%	1.1m/s
08:00	✕	0%	0.95m/s
09:00	✕	0%	1.1m/s
10:00	✕	0%	1.2m/s
11:00	✕	0%	2m/s
12:00	✕	0%	3.1m/s
13:00	✕	0%	3.7m/s
14:00	✕	0%	4.6m/s
15:00	✕	0%	5m/s
16:00	✕	0%	5.4m/s
17:00	✕	0%	5.4m/s
18:00	✕	0%	4.9m/s
19:00	✕	0%	4.3m/s
20:00	✕	0%	3.6m/s
21:00	✕	0%	2.9m/s
22:00	✕	0%	2.4m/s
23:00	✕	0%	1.7m/s
Fri, Jul 10
24:00	✕	0%	1.1m/s
01:00	✕	0%	0.8m/s
02:00	✕	0%	0.39m/s
03:00	✕	0%	0.41m/s
04:00	✕	0%	1.1m/s
05:00	✕	0%	1.7m/s
06:00	✕	0%	2m/s
07:00	✕	0%	2.4m/s
08:00	✕	0%	2.1m/s
09:00	✕	0%	1.2m/s
10:00	✕	0%	0.93m/s
11:00	✕	0%	1.2m/s
12:00	✕	0%	2.2m/s
13:00	✕	0%	2.8m/s
14:00	✕	0%	3.3m/s
15:00	✕	0%	5m/s
16:00	✕	0%	5.7m/s
17:00	✕	0%	5.9m/s
18:00	✕	0%	5.7m/s
19:00	✕	0%	4.3m/s
20:00	✕	0%	3.3m/s
21:00	✕	0%	3.3m/s
22:00	✕	0%	2.7m/s
23:00	✕	0%	2.3m/s
Sat, Jul 11
24:00	✕	0%	1.8m/s
01:00	✕	0%	1.1m/s
02:00	✕	0%	0.36m/s
03:00	✕	0%	0.84m/s
04:00	✕	0%	1.2m/s
05:00	✕	0%	1.6m/s
06:00	✕	0%	1.9m/s
07:00	✕	0%	2.7m/s
08:00	✕	0%	3.5m/s
09:00	✕	0%	4.2m/s
10:00	✕	0%	3.7m/s
11:00	✕	0%	3.3m/s
12:00	✕	0%	2.8m/s
13:00	✕	0%	2m/s
14:00	✕	0%	1.2m/s
15:00	✕	0%	0.4m/s
16:00	✕	0%	0.41m/s
17:00	✕	0%	0.42m/s
18:00	✕	0%	0.42m/s
19:00	✕	0%	0.59m/s
20:00	✕	0%	0.76m/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
Wed, Jul 8 Sunrise 04:51 Sunset 19:13
23:00 ☾	21°C	25°C	24°C	-	100%	0.54kPa
Thu, Jul 9 Sunrise 04:51 Sunset 19:13
24:00 ☾	21°C	25°C	24°C	-	100%	0.5kPa
01:00 ☾	21°C	25°C	24°C	-	99%	0.48kPa
02:00 ☾	21°C	25°C	24°C	-	100%	0.46kPa
03:00 ☾	21°C	25°C	24°C	-	100%	0.43kPa
04:00 ☾	21°C	24°C	24°C	-	100%	0.41kPa
05:00 ☾	21°C	24°C	24°C	-	74%	0.39kPa
06:00 ☾	21°C	24°C	24°C	-	62%	0.42kPa
07:00 ☾	21°C	24°C	24°C	-	42%	0.55kPa
08:00 ☾	21°C	25°C	26°C	-	49%	0.82kPa
09:00	21°C	26°C	27°C	-	40%	1.1kPa
10:00	20°C	28°C	28°C	-	35%	1.4kPa
11:00	21°C	29°C	29°C	-	48%	1.6kPa
12:00	21°C	30°C	29°C	-	33%	1.6kPa
13:00	21°C	31°C	29°C	-	18%	1.7kPa
14:00	21°C	32°C	29°C	-	7%	1.6kPa
15:00	20°C	32°C	28°C	-	1%	1.5kPa
16:00	20°C	31°C	28°C	-	0%	1.4kPa
17:00	20°C	31°C	27°C	-	0%	1.2kPa
18:00	20°C	30°C	26°C	-	0%	1.1kPa
19:00	21°C	29°C	26°C	-	0%	0.88kPa
20:00 ☾	21°C	28°C	25°C	-	0%	0.8kPa
21:00 ☾	21°C	27°C	25°C	-	0%	0.77kPa
22:00 ☾	21°C	27°C	25°C	-	0%	0.72kPa
23:00 ☾	21°C	26°C	25°C	-	0%	0.66kPa
Fri, Jul 10 Sunrise 04:52 Sunset 19:13
24:00 ☾	21°C	26°C	25°C	-	4%	0.6kPa
01:00 ☾	21°C	25°C	24°C	-	5%	0.55kPa
02:00 ☾	21°C	25°C	24°C	-	49%	0.51kPa
03:00 ☾	21°C	25°C	24°C	-	36%	0.48kPa
04:00 ☾	21°C	25°C	24°C	-	3%	0.44kPa
05:00 ☾	21°C	24°C	23°C	-	3%	0.43kPa
06:00 ☾	20°C	24°C	24°C	-	2%	0.57kPa
07:00 ☾	19°C	24°C	25°C	-	0%	0.86kPa
08:00 ☾	19°C	25°C	26°C	-	0%	1.2kPa
09:00	19°C	27°C	28°C	-	0%	1.4kPa
10:00	20°C	28°C	29°C	-	0%	1.8kPa
11:00	19°C	30°C	30°C	-	0%	2.1kPa
12:00	19°C	32°C	31°C	-	47%	2.3kPa
13:00	19°C	33°C	32°C	-	51%	2.4kPa
14:00	20°C	34°C	32°C	-	0%	2.4kPa
15:00	20°C	34°C	31°C	-	0%	2.1kPa
16:00	20°C	33°C	30°C	-	0%	1.7kPa
17:00	21°C	33°C	29°C	-	16%	1.5kPa
18:00	21°C	32°C	28°C	-	5%	1.3kPa
19:00	21°C	30°C	27°C	-	4%	1.1kPa
20:00 ☾	21°C	29°C	27°C	-	32%	1kPa
21:00 ☾	21°C	29°C	26°C	-	100%	0.97kPa
22:00 ☾	21°C	28°C	26°C	-	94%	0.85kPa
23:00 ☾	22°C	27°C	26°C	-	100%	0.72kPa
Sat, Jul 11 Sunrise 04:53 Sunset 19:13
24:00 ☾	22°C	27°C	25°C	-	100%	0.68kPa
01:00 ☾	22°C	27°C	25°C	-	100%	0.65kPa
02:00 ☾	22°C	26°C	25°C	-	100%	0.61kPa
03:00 ☾	22°C	26°C	25°C	-	100%	0.58kPa
04:00 ☾	22°C	27°C	26°C	-	100%	0.89kPa
05:00 ☾	21°C	28°C	28°C	-	100%	1.3kPa
06:00 ☾	21°C	29°C	30°C	-	100%	1.7kPa
07:00 ☾	21°C	29°C	30°C	-	86%	1.6kPa
08:00 ☾	22°C	30°C	29°C	-	72%	1.5kPa
09:00	22°C	31°C	29°C	-	58%	1.4kPa
10:00	22°C	30°C	29°C	-	72%	1.3kPa
11:00	22°C	30°C	28°C	-	86%	1.2kPa
12:00	22°C	30°C	28°C	-	100%	1.1kPa
13:00	22°C	29°C	27°C	-	100%	1kPa
14:00	22°C	29°C	26°C	-	100%	0.89kPa
15:00	21°C	28°C	26°C	-	100%	0.79kPa
16:00	22°C	27°C	26°C	-	100%	0.73kPa
17:00	22°C	27°C	25°C	-	100%	0.67kPa
18:00	22°C	27°C	25°C	-	100%	0.62kPa
19:00	22°C	26°C	25°C	-	100%	0.56kPa
20:00 ☾	22°C	26°C	25°C	-	100%	0.51kPa
21:00 ☾	22°C	26°C	24°C	-	100%	0.46kPa
22:00 ☾	22°C	25°C	24°C	-	100%	0.47kPa

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

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