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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)

Frost Probability 100% failing

Time Window 83% failing

Wind Speed 78% failing

Currently

Real-time conditions

Frost Probability

Soil Temperature13.9°C

Dew Point-0.6°C (low dew point)

Wind Speed2.4m/s (calm conditions)

Cloud Cover0%

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 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
Sun, Feb 22
10:00	✕	0%	2m/s
11:00	✕	0%	1.2m/s
12:00	✕	0%	3.6m/s
13:00	✕	0%	6.1m/s
14:00	✕	0%	8.9m/s
15:00	✕	0%	7.4m/s
16:00	✕	0%	7.7m/s
17:00	✕	0%	7m/s
18:00	✕	0%	5.9m/s
19:00	✕	0%	5.5m/s
20:00	✕	0%	5.4m/s
21:00	✕	0%	5.3m/s
22:00	✕	0%	5.9m/s
23:00	✕	0%	5m/s
Mon, Feb 23
24:00	✕	0%	4.2m/s
01:00	✕	0%	3.4m/s
02:00	✕	0%	1.4m/s
03:00	✕	0%	0.28m/s
04:00	✕	0%	6.8m/s
05:00	✓	0%	5.4m/s
06:00	✓	0%	5.4m/s
07:00	✓	0%	4.6m/s
08:00	✓	0%	4.8m/s
09:00	✕	0%	3.3m/s
10:00	✕	0%	2.8m/s
11:00	✕	0%	2.4m/s
12:00	✕	0%	2m/s
13:00	✕	0%	2.3m/s
14:00	✕	0%	2.5m/s
15:00	✕	0%	2.7m/s
16:00	✕	0%	2.4m/s
17:00	✕	0%	2.2m/s
18:00	✕	0%	2.1m/s
19:00	✕	0%	2.1m/s
20:00	✕	0%	0.45m/s
21:00	✕	0%	0.58m/s
22:00	✕	0%	2.3m/s
23:00	✕	0%	2.5m/s
Tue, Feb 24
24:00	✕	0%	2.3m/s
01:00	✕	0%	2.9m/s
02:00	✕	0%	2.8m/s
03:00	✕	0%	2.8m/s
04:00	✕	0%	2.7m/s
05:00	✓	0%	2.3m/s
06:00	✓	0%	2.3m/s
07:00	✓	0%	2.4m/s
08:00	✓	0%	2.4m/s
09:00	✕	0%	2.4m/s
10:00	✕	0%	2.1m/s
11:00	✕	0%	1.9m/s
12:00	✕	0%	1.9m/s
13:00	✕	0%	1.9m/s
14:00	✕	0%	1.7m/s
15:00	✕	0%	1.3m/s
16:00	✕	0%	3.2m/s
17:00	✕	0%	2.9m/s
18:00	✕	0%	1.9m/s
19:00	✕	0%	2.1m/s
20:00	✕	0%	1.4m/s
21:00	✕	0%	1.1m/s
22:00	✕	0%	1.3m/s
23:00	✕	0%	1.2m/s
Wed, Feb 25
24:00	✕	0%	1.5m/s
01:00	✕	0%	1.9m/s
02:00	✕	0%	1.9m/s
03:00	✕	0%	1.5m/s
04:00	✕	0%	1.7m/s
05:00	✓	0%	1.8m/s
06:00	✓	0%	1.9m/s
07:00	✓	0%	2.3m/s
08:00	✓	0%	5.3m/s
09:00	✕	0%	4.8m/s
10:00	✕	0%	4.1m/s
11:00	✕	0%	3.8m/s
12:00	✕	0%	4.9m/s
13:00	✕	0%	3.3m/s
14:00	✕	0%	3.3m/s
15:00	✕	0%	3.8m/s
16:00	✕	0%	3.7m/s
17:00	✕	0%	3.6m/s
18:00	✕	0%	3.4m/s
19:00	✕	0%	3m/s
20:00	✕	0%	2.6m/s
21:00	✕	0%	2.1m/s
22:00	✕	0%	1.8m/s
23:00	✕	0%	1.4m/s
Thu, Feb 26
24:00	✕	0%	1m/s
01:00	✕	0%	0.8m/s
02:00	✕	0%	0.58m/s
03:00	✕	0%	0.37m/s
04:00	✕	0%	0.74m/s
05:00	✓	0%	1.1m/s
06:00	✓	0%	1.5m/s
07:00	✓	0%	1.7m/s
08:00	✓	0%	1.9m/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
Mon, Feb 23 Sunrise 06:34 Sunset 17:47
11:00 ☾	-0.6°C	14°C	12°C	-	0%	0.84kPa
12:00 ☾	-0.8°C	15°C	13°C	-	2%	0.95kPa
13:00 ☾	-1.3°C	17°C	14°C	-	54%	1.1kPa
14:00 ☾	-1.5°C	18°C	15°C	-	0%	1.1kPa
15:00 ☾	-1.4°C	18°C	15°C	-	0%	1.2kPa
16:00 ☾	-1.1°C	18°C	15°C	-	5%	1.1kPa
17:00 ☾	-0.8°C	17°C	14°C	-	66%	1kPa
18:00 ☾	-0.2°C	16°C	13°C	-	5%	0.9kPa
19:00 ☾	0.4°C	15°C	13°C	-	5%	0.82kPa
20:00 ☾	0.8°C	14°C	12°C	-	5%	0.8kPa
21:00 ☾	0.9°C	13°C	12°C	-	46%	0.76kPa
22:00 ☾	1°C	13°C	12°C	-	5%	0.72kPa
23:00 ☾	1.1°C	12°C	11°C	-	4%	0.63kPa
Tue, Feb 24 Sunrise 06:34 Sunset 17:47
24:00 ☾	1.1°C	12°C	10°C	-	3%	0.57kPa
01:00 ☾	1.1°C	11°C	9.6°C	-	5%	0.53kPa
02:00 ☾	0.8°C	11°C	9.1°C	-	7%	0.5kPa
03:00 ☾	0.5°C	10°C	8.6°C	-	22%	0.49kPa
04:00 ☾	0.2°C	10°C	8.3°C	-	41%	0.48kPa
05:00 ☾	-0.1°C	9.6°C	8°C	-	100%	0.47kPa
06:00 ☾	-0.3°C	9.3°C	7.9°C	-	100%	0.47kPa
07:00 ☾	-0.4°C	9.1°C	7.9°C	-	100%	0.47kPa
08:00 ☾	-0.4°C	9.3°C	8.8°C	-	98%	0.54kPa
09:00 ☾	-0.5°C	10°C	10°C	-	100%	0.67kPa
10:00 ☾	-1°C	11°C	12°C	-	100%	0.82kPa
11:00 ☾	-1.9°C	13°C	14°C	-	100%	1kPa
12:00 ☾	-2.6°C	15°C	15°C	-	100%	1.2kPa
13:00 ☾	-2.4°C	16°C	17°C	-	100%	1.4kPa
14:00 ☾	0.2°C	17°C	18°C	-	96%	1.4kPa
15:00 ☾	6°C	18°C	19°C	-	100%	1.3kPa
16:00 ☾	8.8°C	19°C	19°C	-	100%	1.1kPa
17:00 ☾	9.9°C	18°C	18°C	-	100%	0.8kPa
18:00 ☾	10°C	18°C	17°C	-	100%	0.66kPa
19:00 ☾	8.5°C	17°C	16°C	-	100%	0.76kPa
20:00 ☾	8°C	16°C	16°C	-	100%	0.74kPa
21:00 ☾	8.1°C	16°C	16°C	-	100%	0.68kPa
22:00 ☾	8.1°C	15°C	15°C	-	100%	0.61kPa
23:00 ☾	9.8°C	15°C	15°C	-	100%	0.45kPa
Wed, Feb 25 Sunrise 06:32 Sunset 17:48
24:00 ☾	10°C	15°C	14°C	-	100%	0.39kPa
01:00 ☾	10°C	14°C	14°C	-	100%	0.37kPa
02:00 ☾	11°C	14°C	14°C	-	100%	0.31kPa
03:00 ☾	11°C	14°C	14°C	-	100%	0.23kPa
04:00 ☾	12°C	14°C	13°C	-	100%	0.14kPa
05:00 ☾	12°C	14°C	13°C	-	100%	0.11kPa
06:00 ☾	12°C	13°C	13°C	-	100%	0.09kPa
07:00 ☾	12°C	13°C	13°C	-	100%	0.1kPa
08:00 ☾	8.4°C	13°C	11°C	-	100%	0.24kPa
09:00 ☾	6.1°C	13°C	10°C	-	100%	0.3kPa
10:00 ☾	6.1°C	12°C	10°C	-	100%	0.29kPa
11:00 ☾	6.4°C	12°C	9.9°C	-	100%	0.25kPa
12:00 ☾	6.8°C	12°C	9.9°C	-	100%	0.23kPa
13:00 ☾	6.9°C	12°C	9.9°C	-	100%	0.23kPa
14:00 ☾	7.3°C	12°C	10°C	-	100%	0.2kPa
15:00 ☾	7.1°C	12°C	11°C	-	100%	0.3kPa
16:00 ☾	7.2°C	11°C	10°C	-	83%	0.25kPa
17:00 ☾	7.2°C	11°C	9.9°C	-	66%	0.2kPa
18:00 ☾	7.2°C	11°C	9.4°C	-	49%	0.16kPa
19:00 ☾	7.3°C	10°C	9.2°C	-	65%	0.14kPa
20:00 ☾	7.4°C	10°C	9.1°C	-	81%	0.12kPa
21:00 ☾	7.5°C	9.8°C	8.9°C	-	97%	0.1kPa
22:00 ☾	7.8°C	9.8°C	9.1°C	-	73%	0.1kPa
23:00 ☾	8.1°C	9.8°C	9.2°C	-	49%	0.09kPa
Thu, Feb 26 Sunrise 06:31 Sunset 17:49
24:00 ☾	8.4°C	9.8°C	9.4°C	-	24%	0.08kPa
01:00 ☾	8.8°C	10°C	10°C	-	29%	0.12kPa
02:00 ☾	9.2°C	11°C	11°C	-	34%	0.18kPa
03:00 ☾	9.6°C	11°C	12°C	-	40%	0.24kPa
04:00 ☾	9.9°C	12°C	14°C	-	39%	0.34kPa
05:00 ☾	10°C	14°C	15°C	-	38%	0.47kPa
06:00 ☾	10°C	16°C	16°C	-	37%	0.61kPa
07:00 ☾	10°C	16°C	16°C	-	58%	0.61kPa
08:00 ☾	10°C	17°C	16°C	-	79%	0.61kPa
09:00 ☾	10°C	18°C	16°C	-	99%	0.61kPa
10:00 ☾	10°C	17°C	16°C	-	100%	0.53kPa

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

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