How often do conditions match?

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

Podere Belvedere - Morning Frost - Tuscany

Q: What conditions does Morning Frost look for?

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

San Quirico d'Orcia, Tuscany, Italy

Frost crystals on calm, cold mornings near sunrise

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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 44% failing

Currently

Real-time conditions

Frost Probability

Soil Temperature11.9°C

Dew Point2.8°C (low dew point)

Wind Speed0.6m/s (calm conditions)

Cloud Cover0%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Rome

No opportunities in the next 10 days

See the blocker timeline below to understand which conditions are preventing matches.

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72-hour requirements breakdown

What passed or failed, hour by hour

0matching hours in the next 92 hours

AND logic: all conditions required

Meets requirement

Misses requirement

Time Europe/Rome	Time Window Sunrise -45m to +90m	Frost Probability ≥ 60.0%	Wind Speed ≤ 1.5m/s
Wed, Apr 8
06:00	✓	0%	0.49m/s
07:00	✓	0%	0.53m/s
08:00	✓	0%	0.64m/s
09:00	✕	0%	0.97m/s
10:00	✕	0%	0.97m/s
11:00	✕	0%	1.4m/s
12:00	✕	0%	1.8m/s
13:00	✕	0%	1.4m/s
14:00	✕	0%	1.7m/s
15:00	✕	0%	2.4m/s
16:00	✕	0%	3.3m/s
17:00	✕	0%	3.5m/s
18:00	✕	0%	3.1m/s
19:00	✕	0%	1.8m/s
20:00	✕	0%	1.6m/s
21:00	✕	0%	1.7m/s
22:00	✕	0%	1.4m/s
23:00	✕	0%	1.1m/s
Thu, Apr 9
24:00	✕	0%	0.83m/s
01:00	✕	0%	0.46m/s
02:00	✕	0%	0.31m/s
03:00	✕	0%	0.67m/s
04:00	✕	0%	0.65m/s
05:00	✓	0%	0.65m/s
06:00	✓	0%	1m/s
07:00	✓	0%	1.1m/s
08:00	✓	0%	0.96m/s
09:00	✕	0%	1.3m/s
10:00	✕	0%	1.6m/s
11:00	✕	0%	1.6m/s
12:00	✕	0%	1.8m/s
13:00	✕	0%	1.7m/s
14:00	✕	0%	1.3m/s
15:00	✕	0%	1.8m/s
16:00	✕	0%	3m/s
17:00	✕	0%	3.3m/s
18:00	✕	0%	3.3m/s
19:00	✕	0%	2.1m/s
20:00	✕	0%	1.7m/s
21:00	✕	0%	1.9m/s
22:00	✕	0%	1.5m/s
23:00	✕	0%	1.3m/s
Fri, Apr 10
24:00	✕	0%	1.1m/s
01:00	✕	0%	0.63m/s
02:00	✕	0%	0.66m/s
03:00	✕	0%	1.1m/s
04:00	✕	0%	0.81m/s
05:00	✓	0%	0.84m/s
06:00	✓	0%	1.1m/s
07:00	✓	0%	1m/s
08:00	✓	0%	0.84m/s
09:00	✕	0%	0.33m/s
10:00	✕	0%	1.3m/s
11:00	✕	0%	1.3m/s
12:00	✕	0%	1.7m/s
13:00	✕	0%	2.2m/s
14:00	✕	0%	2.7m/s
15:00	✕	0%	3.2m/s
16:00	✕	0%	3.3m/s
17:00	✕	0%	3.3m/s
18:00	✕	0%	3.1m/s
19:00	✕	0%	1.8m/s
20:00	✕	0%	1.8m/s
21:00	✕	0%	2m/s
22:00	✕	0%	1.8m/s
23:00	✕	0%	1.3m/s
Sat, Apr 11
24:00	✕	0%	1.3m/s
01:00	✕	0%	1.1m/s
02:00	✕	0%	0.79m/s
03:00	✕	0%	0.5m/s
04:00	✕	0%	0.71m/s
05:00	✓	0%	0.77m/s
06:00	✓	0%	0.73m/s
07:00	✓	0%	0.69m/s
08:00	✓	0%	0.24m/s
09:00	✕	0%	1.2m/s
10:00	✕	0%	2.2m/s
11:00	✕	0%	3.2m/s
12:00	✕	0%	2.8m/s
13:00	✕	0%	2.5m/s
14:00	✕	0%	2.1m/s
15:00	✕	0%	1.8m/s
16:00	✕	0%	1.6m/s
17:00	✕	0%	1.3m/s
18:00	✕	0%	1.4m/s
19:00	✕	0%	1.6m/s
20:00	✕	0%	1.7m/s
21:00	✕	0%	1.5m/s
22:00	✕	0%	1.2m/s
23:00	✕	0%	0.98m/s
Sun, Apr 12
24:00	✕	0%	1m/s
01:00	✕	0%	1m/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 Europe/Rome	Dew Point °C	Surface Temperature °C	Temperature °C	Time Window	Total Cloud Coverage %	Vapor Pressure Deficit kPa
Thu, Apr 9 Sunrise 06:42 Sunset 19:48
04:00 ☾	2.8°C	12°C	9.1°C	-	0%	0.41kPa
05:00 ☾	2.5°C	12°C	8.8°C	-	0%	0.4kPa
06:00 ☾	2.4°C	11°C	8.6°C	-	0%	0.39kPa
07:00	2.6°C	11°C	8.4°C	-	0%	0.36kPa
08:00	4.2°C	11°C	11°C	-	0%	0.47kPa
09:00	4.7°C	11°C	13°C	-	0%	0.69kPa
10:00	5.2°C	11°C	15°C	-	0%	0.87kPa
11:00	5.5°C	12°C	17°C	-	0%	1.1kPa
12:00	5.7°C	12°C	19°C	-	0%	1.2kPa
13:00	6.1°C	13°C	20°C	-	0%	1.4kPa
14:00	6.6°C	13°C	21°C	-	0%	1.6kPa
15:00	6.9°C	14°C	22°C	-	0%	1.6kPa
16:00	7.1°C	14°C	22°C	-	1%	1.6kPa
17:00	6.9°C	15°C	21°C	-	0%	1.5kPa
18:00	7.3°C	15°C	20°C	-	0%	1.3kPa
19:00	8.1°C	15°C	17°C	-	0%	0.84kPa
20:00 ☾	6.7°C	15°C	13°C	-	0%	0.52kPa
21:00 ☾	6.2°C	14°C	12°C	-	0%	0.42kPa
22:00 ☾	5.6°C	14°C	11°C	-	4%	0.39kPa
23:00 ☾	5.2°C	14°C	11°C	-	0%	0.39kPa
Fri, Apr 10 Sunrise 06:42 Sunset 19:48
24:00 ☾	4.8°C	13°C	11°C	-	5%	0.42kPa
01:00 ☾	4.5°C	13°C	11°C	-	5%	0.43kPa
02:00 ☾	4.5°C	13°C	10°C	-	5%	0.42kPa
03:00 ☾	4.5°C	12°C	10°C	-	2%	0.4kPa
04:00 ☾	4.8°C	12°C	9.9°C	-	1%	0.36kPa
05:00 ☾	5.2°C	12°C	9.5°C	-	3%	0.3kPa
06:00 ☾	5.6°C	12°C	9.3°C	-	3%	0.26kPa
07:00	5.8°C	11°C	9.3°C	-	5%	0.25kPa
08:00	7°C	11°C	12°C	-	5%	0.38kPa
09:00	7.4°C	11°C	15°C	-	17%	0.62kPa
10:00	7.7°C	12°C	16°C	-	45%	0.81kPa
11:00	7.8°C	12°C	18°C	-	100%	1kPa
12:00	7.8°C	13°C	19°C	-	5%	1.2kPa
13:00	7.9°C	13°C	20°C	-	13%	1.3kPa
14:00	8°C	14°C	21°C	-	100%	1.4kPa
15:00	8.2°C	14°C	21°C	-	100%	1.4kPa
16:00	8.5°C	15°C	21°C	-	100%	1.4kPa
17:00	9°C	15°C	20°C	-	100%	1.2kPa
18:00	10°C	15°C	19°C	-	100%	0.96kPa
19:00	11°C	15°C	17°C	-	99%	0.56kPa
20:00 ☾	10°C	15°C	14°C	-	69%	0.3kPa
21:00 ☾	10°C	15°C	12°C	-	87%	0.18kPa
22:00 ☾	10°C	14°C	12°C	-	87%	0.13kPa
23:00 ☾	9.6°C	14°C	11°C	-	100%	0.13kPa
Sat, Apr 11 Sunrise 06:40 Sunset 19:49
24:00 ☾	9.3°C	14°C	11°C	-	100%	0.15kPa
01:00 ☾	9°C	14°C	11°C	-	77%	0.15kPa
02:00 ☾	8.7°C	13°C	10°C	-	80%	0.14kPa
03:00 ☾	8.5°C	13°C	10°C	-	70%	0.12kPa
04:00 ☾	8.4°C	13°C	9.8°C	-	51%	0.11kPa
05:00 ☾	8.3°C	12°C	9.7°C	-	12%	0.1kPa
06:00 ☾	8.1°C	12°C	9.4°C	-	19%	0.1kPa
07:00	8.3°C	12°C	9.6°C	-	6%	0.1kPa
08:00	9.3°C	12°C	12°C	-	5%	0.23kPa
09:00	10°C	13°C	14°C	-	35%	0.41kPa
10:00	11°C	14°C	17°C	-	65%	0.64kPa
11:00	11°C	15°C	19°C	-	95%	0.94kPa
12:00	11°C	15°C	18°C	-	93%	0.68kPa
13:00	11°C	15°C	16°C	-	92%	0.46kPa
14:00	11°C	15°C	14°C	-	90%	0.29kPa
15:00	11°C	15°C	13°C	-	65%	0.23kPa
16:00	10°C	15°C	12°C	-	39%	0.18kPa
17:00	9.5°C	15°C	11°C	-	13%	0.13kPa
18:00	9.1°C	14°C	11°C	-	10%	0.16kPa
19:00	8.7°C	14°C	11°C	-	8%	0.18kPa
20:00 ☾	8.3°C	14°C	11°C	-	5%	0.2kPa
21:00 ☾	8°C	13°C	11°C	-	37%	0.21kPa
22:00 ☾	7.8°C	13°C	10°C	-	68%	0.21kPa
23:00 ☾	7.5°C	13°C	10°C	-	100%	0.22kPa
Sun, Apr 12 Sunrise 06:38 Sunset 19:51
24:00 ☾	8°C	13°C	11°C	-	100%	0.24kPa
01:00 ☾	8.5°C	13°C	12°C	-	100%	0.27kPa
02:00 ☾	9°C	12°C	12°C	-	100%	0.29kPa
03:00 ☾	9.6°C	13°C	15°C	-	100%	0.47kPa

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

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