Skip to content
✨ New: PhotoWeather is now available on iOS and Android
Rule Morning Frost

Cape Cod - Morning Frost - New England, USA

Cape Cod, Massachusetts, United States

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

Get notified
Free alerts · takes 30 seconds
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
Wind Speed 89% failing
Time Window 88% failing

Currently

Real-time conditions
Soil Temperature9725.9°C
Dew Point-5.4°C (low dew point)
Wind Speed2.6m/s (calm conditions)
Cloud Cover0%

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/New_York

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

This forecast predicts the first frost events that transform New England's fall foliage into crystalline masterpieces. We track overnight temperatures, dewpoint, and wind conditions to identify when frost will coat leaves, grasses, and stone walls with sparkling ice crystals.

The first hard frost of autumn is a cherished event in New England—it triggers the final phase of fall color and creates magical dawn conditions where ice crystals catch golden light. The region's iconic stone walls, covered bridges, and sugar maples take on new dimension when dusted with frost.

What makes New England frost photography exceptional:

  • Foliage enhancement - Frost crystals on red and orange leaves create otherworldly textures and highlights
  • Stone wall character - New England's ubiquitous dry-stacked stone walls gain definition and drama when frost-covered
  • Sugar maple groves - Vermont and New Hampshire maple stands combine brilliant color with frost textures
  • Historic elements - Colonial-era buildings, covered bridges, and farmsteads gain timeless quality under frost

Best conditions occur on clear, calm nights in October when temperatures drop to 28-32°F. Frost melts quickly after sunrise, so arrive before dawn for frost plus golden hour light. Protected valleys and hollows accumulate frost more heavily than exposed hilltops.

Create your own Morning Frost alerts

Get notified when these conditions match at your own locations.

Get this template

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
America/New_York
Time Window
Sunrise -45m to +90m
Frost Probability
≥ 60.0%
Wind Speed
≤ 1.5m/s
Tue, Apr 7
21:000%7.6m/s
22:000%8.3m/s
23:000%9.4m/s
Wed, Apr 8
24:000%9.7m/s
01:000%10m/s
02:000%9.9m/s
03:000%9m/s
04:000%8.2m/s
05:000%8m/s
06:000%8m/s
07:000%7.8m/s
08:000%7.6m/s
09:000%7.3m/s
10:000%6.6m/s
11:000%6m/s
12:000%5.8m/s
13:000%5.7m/s
14:000%5.8m/s
15:000%5.1m/s
16:000%4.6m/s
17:000%4.4m/s
18:000%4m/s
19:000%3.3m/s
20:000%2.5m/s
21:000%2.6m/s
22:000%2.9m/s
23:000%2.4m/s
Thu, Apr 9
24:000%1.4m/s
01:000%1.4m/s
02:000%1m/s
03:000%0.55m/s
04:000%0.54m/s
05:000%0.96m/s
06:000%1.2m/s
07:000%1.4m/s
08:000%1.9m/s
09:000%2.3m/s
10:000%2.4m/s
11:000%2.7m/s
12:000%3.2m/s
13:000%3.6m/s
14:000%4.3m/s
15:000%4.4m/s
16:000%4.7m/s
17:000%5m/s
18:000%4.9m/s
19:000%4.5m/s
20:000%4.1m/s
21:000%3.9m/s
22:000%3.8m/s
23:000%3.4m/s
Fri, Apr 10
24:000%3.4m/s
01:000%3.3m/s
02:000%3.1m/s
03:000%3.5m/s
04:000%3.1m/s
05:000%3.2m/s
06:000%3.3m/s
07:000%3.6m/s
08:000%4.3m/s
09:000%5.2m/s
10:000%5.3m/s
11:000%5.6m/s
12:000%5.4m/s
13:000%6.2m/s
14:000%6.6m/s
15:000%7.2m/s
16:000%7.7m/s
17:000%7.6m/s
18:000%7.2m/s
19:000%7.1m/s
20:000%7.1m/s
21:000%7.5m/s
22:000%7.4m/s
23:000%7.3m/s
Sat, Apr 11
24:000%7.8m/s
01:000%7.8m/s
02:000%7.4m/s
03:000%8.7m/s
04:000%10m/s
05:000%11m/s
06:000%10m/s
07:000%8.7m/s
08:000%7.4m/s
09:000%6.3m/s
10:000%5.1m/s
11:000%4m/s
12:000%3.8m/s
13:000%3.5m/s
14:000%3.3m/s
15:000%3.5m/s
16:000%3.8m/s
17:000%4.1m/s
18:000%3.8m/s
19:000%3.5m/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
America/New_York
Dew Point
°C
Surface Temperature
°C
Temperature
°C
Time Window
Total Cloud Coverage
%
Vapor Pressure Deficit
kPa
Wed, Apr 8 Sunrise 06:10 Sunset 19:14
21:00
-5.4°C 9726°C 1.2°C - 0% 0.25kPa
22:00
-5.2°C 9726°C 0.7°C - 0% 0.23kPa
23:00
-5.1°C 9726°C 0.61°C - 0% 0.22kPa
Thu, Apr 9 Sunrise 06:10 Sunset 19:14
24:00
-5.2°C 9726°C 0.61°C - 0% 0.22kPa
01:00
-5.3°C 9726°C 0.59°C - 0% 0.23kPa
02:00
-5.2°C 9726°C 0.7°C - 0% 0.23kPa
03:00
-5.3°C 9726°C 0.73°C - 0% 0.23kPa
04:00
-5.2°C 9726°C 0.84°C - 0% 0.23kPa
05:00
-5.2°C 9726°C 0.85°C - 0% 0.23kPa
06:00
-5.1°C 9726°C 0.79°C - 0% 0.23kPa
07:00
-5°C 9726°C 1.3°C - 0% 0.25kPa
08:00
-4.9°C 9726°C 2.9°C - 0% 0.32kPa
09:00
-5.4°C 9726°C 4.5°C - 1% 0.43kPa
10:00
-5.2°C 9726°C 5.9°C - 5% 0.51kPa
11:00
-4.4°C 9726°C 6.8°C - 5% 0.54kPa
12:00
-3.9°C 9726°C 7.4°C - 5% 0.57kPa
13:00
-3.7°C 9726°C 7.7°C - 5% 0.58kPa
14:00
-3.5°C 9726°C 7.7°C - 5% 0.58kPa
15:00
-3.2°C 9726°C 7.7°C - 5% 0.57kPa
16:00
-2.7°C 9726°C 7.4°C - 5% 0.53kPa
17:00
-1.6°C 9726°C 6.7°C - 5% 0.44kPa
18:00
-0.7°C 9726°C 6°C - 10% 0.35kPa
19:00
0.1°C 9726°C 5.2°C - 30% 0.27kPa
20:00
0.2°C 9726°C 4.6°C - 68% 0.23kPa
21:00
0.5°C 9726°C 4.6°C - 58% 0.21kPa
22:00
0.9°C 9726°C 4.4°C - 75% 0.19kPa
23:00
1.2°C 9726°C 4.1°C - 71% 0.16kPa
Fri, Apr 10 Sunrise 06:09 Sunset 19:16
24:00
1.4°C 9726°C 3.8°C - 100% 0.13kPa
01:00
1.7°C 9726°C 3.8°C - 28% 0.11kPa
02:00
1.9°C 9726°C 3.5°C - 5% 0.08kPa
03:00
2°C 9726°C 3.2°C - 5% 0.06kPa
04:00
2.1°C 9726°C 3.2°C - 5% 0.06kPa
05:00
2.1°C 9726°C 3.1°C - 2% 0.05kPa
06:00
2.1°C 9726°C 3°C - 5% 0.05kPa
07:00
2.6°C 9726°C 3.7°C - 4% 0.06kPa
08:00
3°C 9726°C 5.7°C - 5% 0.16kPa
09:00
2.4°C 9726°C 7.2°C - 5% 0.29kPa
10:00
2.2°C 9726°C 8.7°C - 4% 0.41kPa
11:00
1.8°C 9726°C 9.9°C - 5% 0.52kPa
12:00
1.5°C 9726°C 11°C - 5% 0.61kPa
13:00
1.4°C 9726°C 11°C - 5% 0.66kPa
14:00
1.3°C 9726°C 12°C - 4% 0.69kPa
15:00
1.2°C 9726°C 11°C - 5% 0.68kPa
16:00
1.4°C 9726°C 11°C - 20% 0.63kPa
17:00
1.8°C 9726°C 10°C - 2% 0.57kPa
18:00
2.7°C 9726°C 9.6°C - 100% 0.45kPa
19:00
3°C 9726°C 8.3°C - 100% 0.34kPa
20:00
3.1°C 9726°C 7.7°C - 100% 0.29kPa
21:00
3.1°C 9726°C 7.7°C - 88% 0.29kPa
22:00
3.2°C 9726°C 7.8°C - 100% 0.29kPa
23:00
3.1°C 9726°C 7.8°C - 100% 0.29kPa
Sat, Apr 11 Sunrise 06:07 Sunset 19:17
24:00
3°C 9726°C 8°C - 100% 0.31kPa
01:00
3.4°C 9726°C 8.1°C - 100% 0.3kPa
02:00
3.9°C 9726°C 8.1°C - 100% 0.27kPa
03:00
3°C 9726°C 7.8°C - 67% 0.3kPa
04:00
2.2°C 9726°C 7.4°C - 33% 0.32kPa
05:00
1.3°C 9726°C 7.1°C - 0% 0.34kPa
06:00
1.2°C 9726°C 7.4°C - 0% 0.36kPa
07:00
1.1°C 9726°C 7.7°C - 0% 0.39kPa
08:00
0.9°C 9726°C 8°C - 0% 0.42kPa
09:00
1.3°C 9726°C 7.8°C - 0% 0.39kPa
10:00
1.7°C 9726°C 7.7°C - 0% 0.35kPa
11:00
2.1°C 9726°C 7.5°C - 0% 0.32kPa
12:00
2.1°C 9726°C 7.5°C - 0% 0.32kPa
13:00
2.1°C 9726°C 7.4°C - 0% 0.32kPa
14:00
2.1°C 9726°C 7.4°C - 0% 0.32kPa
15:00
1.9°C 9726°C 7°C - 2% 0.31kPa
16:00
1.6°C 9726°C 6.7°C - 3% 0.29kPa
17:00
1.3°C 9726°C 6.3°C - 5% 0.28kPa
18:00
1.1°C 9726°C 6.3°C - 3% 0.29kPa
19:00
0.9°C 9726°C 6.3°C - 2% 0.3kPa
20:00
0.7°C 9726°C 6.3°C - 0% 0.31kPa
How to read: these inputs help produce the derived score; they are not requirements by themselves.

Get Notified of Opportunities

Create your own custom alerts for this location and more.

Create Free Account