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Rule Fog Hunter

Cape Cod - Fog Hunter - New England, USA

Cape Cod, Massachusetts, United States

Thick, moody fog for atmospheric forest and landscape shots

No opportunities right now
Here’s what usually blocks matches

No Fog Hunter opportunities in the next 14 days

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Rule requirements (key thresholds)
Fog Probability · ≥ 60.0%

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

Most common blockers (next 72 hours)
Fog Probability 100% failing

Currently

Real-time conditions
Dewpoint Spread4.9°C
Visibility24135 (Clear)
Relative Humidity70%
Wind Speed1.3m/s (calm conditions)

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 tracks the maritime fog and mountain mist that define New England's atmospheric photography. We combine ocean temperature, dewpoint, and topography to predict when coastal fog banks and mountain valley mist will create moody, quintessentially New England conditions.

New England sits where cold Atlantic waters meet the North American continent, creating persistent fog conditions especially during autumn. The region's mountains—from the White Mountains of New Hampshire to the Green Mountains of Vermont—also generate valley fog that transforms familiar scenes into ethereal compositions.

What makes New England fog photography exceptional:

  • Maritime fog - Cold Atlantic waters generate thick fog banks that roll inland, especially in Maine and coastal Massachusetts
  • White Mountains valleys - Notches and valleys trap morning mist that burns off by mid-morning, creating dramatic reveal moments
  • Covered bridge fog - Vermont and New Hampshire's iconic covered bridges emerge from fog like scenes from another century
  • Acadia coastal mist - Rocky Maine coast where fog meets granite cliffs and crashing waves

Best conditions occur September through October when warm land meets cooling air. Coastal fog can persist all day, while mountain valley fog typically burns off by late morning. Classic locations include Franconia Notch, Smugglers' Notch, and Mount Desert Island.

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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
America/New_York
Fog Probability
≥ 60.0%
Wed, Apr 8
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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23:000%
Thu, Apr 9
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
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Fri, Apr 10
24:000%
01:000%
02:000%
03:000%
04:0037%
05:0030%
06:0030%
07:000%
08:000%
09:000%
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11:000%
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Sat, Apr 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
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21:000%
22:000%
23:000%
Sun, Apr 12
24:000%
01:000%
How to read: colored cells show whether each predicate requirement is met; highlighted rows mean the full rule matched (an opportunity).

What does Fog 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
Clear Sky Probability (Ensemble)
%
Dew Point
°C
Rainfall
mm
Relative Humidity
%
Snowfall
cm
Solar Elevation
°
Temperature
°C
Total Precipitation
mm
Vapor Pressure Deficit
kPa
Visibility
m
Wind Gusts
m/s
Wind Speed
m/s
Thu, Apr 9 Sunrise 06:10 Sunset 19:14
04:00
100% -3.9°C 0mm 70% 0cm -23° 1°C 0mm 0.2kPa 24135m 1.6m/s 1.3m/s
05:00
100% -3.8°C 0mm 70% 0cm -13° 1.1°C 0mm 0.2kPa 24134m 1.1m/s 0.93m/s
06:00
100% -3.8°C 0mm 70% 0cm -2.6° 1.1°C 0mm 0.2kPa 24135m 1.3m/s 1.1m/s
07:00
100% -3.7°C 0mm 68% 0cm 8.4° 1.6°C 0mm 0.22kPa 24134m 1.9m/s 1.3m/s
08:00
100% -4.1°C 0mm 59% 0cm 20° 3.1°C 0mm 0.31kPa 24134m 2.9m/s 1.9m/s
09:00
100% -5.6°C 0mm 47% 0cm 30° 4.7°C 0mm 0.45kPa 24135m 3.4m/s 2.3m/s
10:00
99% -5.2°C 0mm 44% 0cm 41° 6.1°C 0mm 0.53kPa 24135m 3.6m/s 2.5m/s
11:00
99% -4.6°C 0mm 44% 0cm 49° 6.7°C 0mm 0.55kPa 24135m 3.9m/s 2.8m/s
12:00
98% -4.1°C 0mm 44% 0cm 55° 7.3°C 0mm 0.57kPa 24134m 4.3m/s 3.3m/s
13:00
98% -3.8°C 0mm 44% 0cm 56° 7.6°C 0mm 0.58kPa 24135m 4.9m/s 4m/s
14:00
97% -3.5°C 0mm 45% 0cm 52° 7.6°C 0mm 0.57kPa 24135m 5.7m/s 4.7m/s
15:00
98% -3°C 0mm 48% 0cm 45° 7.4°C 0mm 0.54kPa 24135m 6.3m/s 5m/s
16:00
98% -2.8°C 0mm 50% 0cm 35° 7°C 0mm 0.5kPa 24135m 6.8m/s 5.3m/s
17:00
99% -2.1°C 0mm 54% 0cm 24° 6.6°C 0mm 0.45kPa 24134m 7.3m/s 5.4m/s
18:00
98% -1.2°C 0mm 60% 0cm 13° 5.9°C 0mm 0.37kPa 24134m 7.6m/s 5.4m/s
19:00
96% -0.2°C 0mm 68% 0cm 2.2° 5.1°C 0mm 0.28kPa 24135m 8.2m/s 5m/s
20:00
95% 0.2°C 0mm 72% 0cm -8.9° 4.7°C 0mm 0.24kPa 24134m 8.3m/s 4.7m/s
21:00
72% 0.6°C 0mm 75% 0cm -19° 4.6°C 0mm 0.21kPa 24135m 8.1m/s 4.4m/s
22:00
50% 0.9°C 0mm 78% 0cm -28° 4.4°C 0mm 0.18kPa 24135m 7.9m/s 4.1m/s
23:00
27% 1.4°C 0mm 82% 0cm -35° 4.2°C 0mm 0.15kPa 24135m 8m/s 3.9m/s
Fri, Apr 10 Sunrise 06:09 Sunset 19:16
24:00
32% 1.9°C 0mm 86% 0cm -39° 4.1°C 0mm 0.12kPa 24134m 8.4m/s 3.9m/s
01:00
36% 2.1°C 0mm 88% 0cm -40° 3.9°C 0mm 0.09kPa 24135m 8m/s 3.6m/s
02:00
41% 2.3°C 0mm 91% 0cm -37° 3.6°C 0mm 0.07kPa 24135m 7.9m/s 3.3m/s
03:00
58% 2.4°C 0mm 93% 0cm -31° 3.5°C 0mm 0.06kPa 24134m 8.3m/s 3.4m/s
04:00
75% 2.4°C 0mm 94% 0cm -23° 3.3°C 0mm 0.05kPa 24134m 8m/s 3.2m/s
05:00
92% 2.6°C 0mm 94% 0cm -13° 3.5°C 0mm 0.05kPa 24135m 8.5m/s 3.7m/s
06:00
93% 2.8°C 0mm 94% 0cm -2.3° 3.8°C 0mm 0.05kPa 24135m 8.6m/s 3.6m/s
07:00
93% 3.3°C 0mm 93% 0cm 8.7° 4.3°C 0mm 0.06kPa 24135m 9.3m/s 4.1m/s
08:00
94% 3.7°C 0mm 84% 0cm 20° 6.2°C 0mm 0.15kPa 24135m 9.4m/s 4.8m/s
09:00
96% 3.2°C 0mm 73% 0cm 31° 7.8°C 0mm 0.28kPa 24135m 8.3m/s 5.3m/s
10:00
98% 2.9°C 0mm 65% 0cm 41° 9.1°C 0mm 0.4kPa 24134m 9m/s 5.7m/s
11:00
100% 2.6°C 0mm 59% 0cm 50° 10°C 0mm 0.52kPa 24135m 9.2m/s 5.8m/s
12:00
98% 2.4°C 0mm 55% 0cm 55° 11°C 0mm 0.59kPa 24134m 9.8m/s 6.4m/s
13:00
97% 2.3°C 0mm 53% 0cm 56° 11°C 0mm 0.63kPa 24135m 10m/s 6.4m/s
14:00
95% 2.4°C 0mm 53% 0cm 52° 12°C 0mm 0.64kPa 24134m 11m/s 6.9m/s
15:00
85% 2.5°C 0mm 54% 0cm 45° 12°C 0mm 0.63kPa 24135m 12m/s 7.5m/s
16:00
76% 2.5°C 0mm 55% 0cm 35° 11°C 0mm 0.61kPa 24135m 12m/s 7.8m/s
17:00
66% 2.9°C 0mm 57% 0cm 24° 11°C 0mm 0.56kPa 24134m 13m/s 7.9m/s
18:00
65% 3.2°C 0mm 63% 0cm 13° 9.9°C 0mm 0.45kPa 24135m 14m/s 7.7m/s
19:00
65% 3.4°C 0mm 70% 0cm 2.4° 8.6°C 0mm 0.34kPa 24135m 15m/s 7.5m/s
20:00
64% 3.5°C 0mm 73% 0cm -8.6° 8.1°C 0mm 0.3kPa 24134m 15m/s 7.4m/s
21:00
58% 3.5°C 0mm 73% 0cm -19° 8°C 0mm 0.29kPa 24135m 16m/s 7.4m/s
22:00
51% 3.4°C 0mm 72% 0cm -28° 8.2°C 0mm 0.3kPa 24134m 16m/s 7.6m/s
23:00
45% 3.4°C 0mm 70% 0cm -35° 8.5°C 0mm 0.33kPa 24135m 16m/s 7.8m/s
Sat, Apr 11 Sunrise 06:07 Sunset 19:17
24:00
41% 3.3°C 0mm 69% 0cm -39° 8.7°C 0mm 0.35kPa 24134m 17m/s 8.1m/s
01:00
37% 3.3°C 0mm 69% 0cm -40° 8.6°C 0mm 0.35kPa 24135m 18m/s 8.1m/s
02:00
33% 4°C 0.01mm 71% 0cm -37° 8.9°C 0mm 0.32kPa 24135m 20m/s 8.8m/s
03:00
23% 5.4°C 0.69mm 84% 0cm -31° 8.1°C 0.38mm 0.18kPa 14868m 18m/s 8.3m/s
04:00
12% 6.2°C 1.1mm 88% 0cm -23° 8.1°C 1.2mm 0.13kPa 10672m 20m/s 7.5m/s
05:00
2% 6.9°C 0.31mm 92% 0cm -13° 8.1°C 1.8mm 0.08kPa 23494m 12m/s 6m/s
06:00
1% 7.5°C 0.01mm 94% 0cm -2° 8.5°C 1.9mm 0.07kPa 24135m 12m/s 5.3m/s
07:00
1% 7.6°C 0.03mm 92% 0cm 8.9°C 1.9mm 0.09kPa 24135m 12m/s 5.6m/s
08:00
0% 4.7°C 0mm 83% 0cm 20° 7.5°C 1.9mm 0.18kPa 24134m 13m/s 7.2m/s
09:00
15% 3.6°C 0mm 73% 0cm 31° 8°C 1.3mm 0.29kPa 24134m 12m/s 7.3m/s
10:00
31% 2.2°C 0mm 64% 0cm 41° 8.6°C 0.65mm 0.4kPa 24135m 12m/s 7.4m/s
11:00
46% 0.5°C 0mm 55% 0cm 50° 9.1°C 0mm 0.52kPa 24135m 11m/s 7.5m/s
12:00
53% 0.6°C 0mm 57% 0cm 56° 8.7°C 0mm 0.49kPa 24135m 12m/s 8m/s
13:00
60% 0.6°C 0mm 58% 0cm 57° 8.3°C 0mm 0.45kPa 24135m 13m/s 8.5m/s
14:00
67% 0.7°C 0mm 60% 0cm 53° 7.9°C 0mm 0.42kPa 24135m 14m/s 9m/s
15:00
78% 1.1°C 0mm 64% 0cm 45° 7.5°C 0mm 0.38kPa 24135m 13m/s 8.2m/s
16:00
89% 1.4°C 0mm 67% 0cm 35° 7.1°C 0mm 0.33kPa 24135m 11m/s 7.4m/s
17:00
100% 1.7°C 0mm 71% 0cm 25° 6.7°C 0mm 0.29kPa 24135m 9.9m/s 6.6m/s
18:00
100% 1.3°C 0mm 70% 0cm 14° 6.4°C 0mm 0.29kPa 24135m 8.4m/s 5.7m/s
19:00
100% 0.9°C 0mm 69% 0cm 2.6° 6.2°C 0mm 0.3kPa 24135m 6.8m/s 4.7m/s
20:00
100% 0.5°C 0mm 68% 0cm -8.4° 6°C 0mm 0.3kPa 24135m 5.2m/s 3.7m/s
21:00
100% 0.3°C 0mm 67% 0cm -19° 5.9°C 0mm 0.3kPa 24135m 4.4m/s 3.3m/s
22:00
100% 0.1°C 0mm 67% 0cm -27° 5.8°C 0mm 0.31kPa 24135m 3.5m/s 2.8m/s
23:00
100% 0°C 0mm 66% 0cm -34° 5.7°C 0mm 0.31kPa 24135m 2.6m/s 2.3m/s
Sun, Apr 12 Sunrise 06:05 Sunset 19:18
24:00
100% -0.3°C 0mm 65% 0cm -39° 5.8°C 0mm 0.32kPa 24135m 2m/s 1.8m/s
01:00
100% -0.5°C 0mm 63% 0cm -39° 5.9°C 0mm 0.34kPa 24135m 1.4m/s 1.3m/s
02:00
100% -0.8°C 0mm 62% 0cm -37° 5.9°C 0mm 0.35kPa 24135m 0.76m/s 0.75m/s
03:00
100% -0.7°C 0mm 62% 0cm -30° 6.1°C 0mm 0.36kPa 24135m 1.4m/s 1.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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