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Rule Fog Hunter

Bretton Woods - Fog Hunter - New England, USA

Bretton Woods, New Hampshire, 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 · ≥ 75.0%

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 Spread8.3°C
Visibility24135 (Clear)
Relative Humidity59%
Wind Speed2.3m/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
≥ 75.0%
Tue, Jul 7
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Wed, Jul 8
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
08:000%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Thu, Jul 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%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:0055%
22:0053%
23:000%
Fri, Jul 10
24:0039%
01:0041%
02:0030%
03:0055%
04:0071%
05:0073%
06:0073%
07:0037%
08:0033%
09:000%
10:000%
11:000%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:0055%
21:000%
22:000%
23:000%
Sat, Jul 11
24:000%
01:000%
02:000%
03:000%
04:000%
05:000%
06:000%
07:000%
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
Wed, Jul 8 Sunrise 05:10 Sunset 20:30
10:00
99% 13°C 0mm 59% 0cm 49° 21°C 0mm 1kPa 24135m 3.2m/s 2.3m/s
11:00
99% 12°C 0mm 53% 0cm 58° 22°C 0mm 1.3kPa 24135m 2.8m/s 2.4m/s
12:00
96% 12°C 0mm 48% 0cm 66° 23°C 0mm 1.5kPa 24135m 2.7m/s 2.4m/s
13:00
92% 11°C 0mm 43% 0cm 68° 24°C 0mm 1.7kPa 24135m 2.4m/s 2.3m/s
14:00
89% 11°C 0mm 42% 0cm 64° 25°C 0mm 1.8kPa 24134m 2.2m/s 2m/s
15:00
61% 12°C 0mm 44% 0cm 56° 25°C 0mm 1.7kPa 24134m 2.6m/s 2.3m/s
16:00
33% 14°C 0mm 59% 0cm 46° 23°C 0mm 1.1kPa 24134m 3m/s 2.2m/s
17:00
5% 14°C 0mm 55% 0cm 35° 23°C 0mm 1.3kPa 24135m 2.8m/s 1.7m/s
18:00
6% 14°C 0mm 58% 0cm 24° 23°C 0mm 1.2kPa 24134m 2.8m/s 1.6m/s
19:00
8% 16°C 0mm 75% 0cm 14° 20°C 0.06mm 0.58kPa 24134m 1m/s 0.39m/s
20:00
9% 14°C 0mm 74% 0cm 4.2° 19°C 0.06mm 0.57kPa 24135m 0.61m/s 0.72m/s
21:00
27% 13°C 0mm 80% 0cm -5° 17°C 0mm 0.39kPa 24135m 0.9m/s 0.9m/s
22:00
46% 13°C 0mm 81% 0cm -13° 16°C 0mm 0.35kPa 24135m 0.9m/s 0.96m/s
23:00
64% 13°C 0mm 82% 0cm -19° 16°C 0mm 0.34kPa 24134m 1.1m/s 1.2m/s
Thu, Jul 9 Sunrise 05:11 Sunset 20:30
24:00
67% 13°C 0mm 82% 0cm -22° 16°C 0mm 0.34kPa 24134m 1.4m/s 1.6m/s
01:00
71% 13°C 0mm 81% 0cm -23° 16°C 0mm 0.35kPa 24134m 1.5m/s 1.6m/s
02:00
74% 13°C 0mm 81% 0cm -22° 16°C 0mm 0.35kPa 24135m 1.6m/s 1.9m/s
03:00
69% 13°C 0mm 84% 0cm -17° 16°C 0mm 0.28kPa 24135m 1.5m/s 1.7m/s
04:00
64% 13°C 0mm 86% 0cm -11° 15°C 0mm 0.24kPa 24134m 1.2m/s 1.4m/s
05:00
59% 13°C 0mm 88% 0cm -2.3° 15°C 0mm 0.21kPa 24135m 0.7m/s 0.56m/s
06:00
52% 14°C 0mm 85% 0cm 16°C 0mm 0.27kPa 24134m 0.6m/s 0.32m/s
07:00
46% 15°C 0mm 77% 0cm 17° 19°C 0mm 0.51kPa 24135m 1.1m/s 0.64m/s
08:00
39% 15°C 0mm 67% 0cm 28° 21°C 0mm 0.83kPa 24135m 2.2m/s 1.3m/s
09:00
36% 14°C 0mm 59% 0cm 38° 23°C 0mm 1.1kPa 24134m 3m/s 1.7m/s
10:00
32% 14°C 0mm 56% 0cm 49° 24°C 0mm 1.3kPa 24135m 4.2m/s 2.4m/s
11:00
29% 15°C 0mm 55% 0cm 58° 24°C 0mm 1.4kPa 24135m 4.3m/s 2.7m/s
12:00
24% 15°C 0mm 52% 0cm 66° 25°C 0mm 1.6kPa 24134m 3.9m/s 2.4m/s
13:00
20% 15°C 0mm 49% 0cm 68° 26°C 0mm 1.7kPa 24135m 4.2m/s 2.5m/s
14:00
15% 14°C 0mm 46% 0cm 64° 27°C 0mm 1.9kPa 24135m 4.4m/s 2.8m/s
15:00
10% 15°C 0mm 50% 0cm 56° 26°C 0mm 1.7kPa 24134m 4.4m/s 2.7m/s
16:00
5% 15°C 0mm 55% 0cm 46° 25°C 0mm 1.4kPa 24135m 4m/s 1.9m/s
17:00
0% 16°C 0mm 60% 0cm 35° 24°C 0.06mm 1.2kPa 20480m 5m/s 2m/s
18:00
0% 18°C 0mm 80% 0cm 24° 21°C 0.19mm 0.52kPa 22137m 2.4m/s 1.9m/s
19:00
0% 18°C 0.05mm 89% 0cm 14° 20°C 0.81mm 0.24kPa 11022m 3.4m/s 2m/s
20:00
0% 17°C 0.22mm 98% 0cm 4.1° 17°C 2.5mm 0.05kPa 9298m 2.8m/s 1.6m/s
21:00
0% 16°C 0mm 97% 0cm -5.1° 17°C 0.13mm 0.07kPa 24135m 1.1m/s 0.87m/s
22:00
1% 16°C 0mm 95% 0cm -13° 16°C 0.19mm 0.09kPa 24135m 0.7m/s 0.33m/s
23:00
1% 16°C 0mm 94% 0cm -19° 17°C 0.31mm 0.1kPa 24134m 0.54m/s 0.31m/s
Fri, Jul 10 Sunrise 05:12 Sunset 20:29
24:00
1% 15°C 0mm 98% 0cm -22° 16°C 0.31mm 0.04kPa 24135m 1.3m/s 1.4m/s
01:00
1% 16°C 0mm 99% 0cm -23° 16°C 0.38mm 0.02kPa 24134m 0.63m/s 0.22m/s
02:00
1% 16°C 0mm 97% 0cm -22° 16°C 0.44mm 0.06kPa 24135m 0.63m/s 0.45m/s
03:00
1% 16°C 0mm 97% 0cm -17° 16°C 0mm 0.06kPa 24134m 0.93m/s 0.92m/s
04:00
1% 16°C 0mm 98% 0cm -11° 16°C 0.06mm 0.04kPa 24134m 0.91m/s 0.73m/s
05:00
1% 16°C 0.02mm 98% 0cm -2.5° 16°C 0.06mm 0.03kPa 22596m 2.2m/s 1.5m/s
06:00
1% 16°C 0.17mm 99% 0cm 6.8° 16°C 0.19mm 0.02kPa 22576m 2.5m/s 1.4m/s
07:00
0% 16°C 0.14mm 99% 0cm 17° 16°C 0.5mm 0.02kPa 23330m 2.7m/s 1.4m/s
08:00
0% 16°C 0mm 99% 0cm 27° 16°C 0.5mm 0.03kPa 24134m 1.8m/s 1.1m/s
09:00
3% 17°C 0mm 92% 0cm 38° 18°C 0.13mm 0.16kPa 19157m 3m/s 2.1m/s
10:00
7% 17°C 0mm 89% 0cm 49° 19°C 0.63mm 0.24kPa 18670m 3.1m/s 2.4m/s
11:00
10% 17°C 0mm 91% 0cm 58° 19°C 1.3mm 0.19kPa 16726m 3.2m/s 2.6m/s
12:00
12% 18°C 0mm 96% 0cm 66° 18°C 2mm 0.08kPa 8989m 2.8m/s 2.4m/s
13:00
13% 18°C 0mm 94% 0cm 68° 19°C 2.6mm 0.14kPa 12277m 3.2m/s 2.3m/s
14:00
15% 17°C 0mm 87% 0cm 64° 19°C 3.4mm 0.29kPa 20638m 3.9m/s 2m/s
15:00
18% 16°C 0mm 90% 0cm 56° 18°C 2.3mm 0.21kPa 21804m 3m/s 1.7m/s
16:00
22% 15°C 0mm 92% 0cm 46° 16°C 1.1mm 0.15kPa 22969m 2m/s 1.4m/s
17:00
25% 14°C 0mm 94% 0cm 35° 15°C 0mm 0.1kPa 24135m 1.1m/s 1.2m/s
18:00
28% 13°C 0mm 94% 0cm 24° 14°C 0mm 0.09kPa 24135m 1.1m/s 1.1m/s
19:00
30% 13°C 0mm 95% 0cm 14° 13°C 0mm 0.08kPa 24135m 1.1m/s 1.1m/s
20:00
33% 12°C 0mm 95% 0cm 13°C 0mm 0.08kPa 24135m 1.1m/s 1.1m/s
21:00
46% 12°C 0mm 95% 0cm -5.1° 12°C 0mm 0.08kPa 24135m 0.97m/s 0.96m/s
22:00
59% 11°C 0mm 95% 0cm -13° 12°C 0mm 0.08kPa 24135m 0.8m/s 0.81m/s
23:00
72% 11°C 0mm 94% 0cm -19° 12°C 0mm 0.07kPa 24135m 0.64m/s 0.67m/s
Sat, Jul 11 Sunrise 05:12 Sunset 20:29
24:00
72% 12°C 0mm 90% 0cm -23° 13°C 0mm 0.15kPa 24135m 0.86m/s 0.72m/s
01:00
71% 13°C 0mm 85% 0cm -24° 15°C 0mm 0.25kPa 24135m 1.1m/s 0.77m/s
02:00
71% 13°C 0mm 81% 0cm -22° 17°C 0mm 0.36kPa 24135m 1.3m/s 0.81m/s
03:00
69% 12°C 0mm 67% 0cm -17° 19°C 0mm 0.72kPa 24135m 2m/s 1.4m/s
04:00
67% 11°C 0mm 52% 0cm -11° 21°C 0mm 1.2kPa 24135m 2.7m/s 1.9m/s
05:00
65% 7.8°C 0mm 38% 0cm -2.6° 23°C 0mm 1.7kPa 24135m 3.3m/s 2.5m/s
06:00
64% 7.3°C 0mm 36% 0cm 6.7° 23°C 0mm 1.9kPa 24135m 3.4m/s 2.8m/s
07:00
63% 6.7°C 0mm 33% 0cm 17° 24°C 0mm 2kPa 24135m 3.5m/s 3.1m/s
08:00
62% 6.1°C 0mm 31% 0cm 27° 24°C 0mm 2.1kPa 24135m 3.5m/s 3.4m/s
09:00
62% 6.8°C 0mm 33% 0cm 38° 24°C 0mm 2kPa 24135m 3.4m/s 3.3m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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