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

Currently

Real-time conditions
Dewpoint Spread2.7°C
Visibility24134 (Clear)
Relative Humidity82%
Wind Speed2.3m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in America/New_York
fog weather icon
Next opportunity
Moderate Fog
Bretton Woods
Thu, Apr 16 · 23:00–24:00 · 1h window
Low confidence
28%
🌫️Fog Probability61.4%
Dewpoint Spread: 0.6°C
Visibility: 18528 (Clear)
Relative Humidity: 96%
Wind Speed: 2.2m/s (calm conditions)
fog weather icon
Moderate Fog
Bretton Woods
Fri, Apr 17 · 14:00–18:00
🌫️Fog Probability:62.7-72.8%
Low
fog weather icon
Moderate Fog at Sunset
Bretton Woods
Fri, Apr 17 · 18:00–20:00
🌫️Fog Probability:79-83.5%
Medium
fog weather icon
Dense Fog
Bretton Woods
Fri, Apr 17 · 20:00–03:00
🌫️Fog Probability:66.7-88.6%
Medium

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.

Create your own Fog Hunter 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
4matching hours in the next 92 hoursJump to next match
AND logic: all conditions required
Meets requirement
Misses requirement
Time
America/New_York
Fog Probability
≥ 60.0%
Wed, Apr 8
24:0051%
01:0027%
02:0045%
03:00100%
04:0096%
05:0089%
06:0061%
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, 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%
12:000%
13:000%
14:000%
15:000%
16:000%
17:000%
18:000%
19:000%
20:000%
21:000%
22:000%
23:000%
Fri, Apr 10
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%
21:0057%
22:000%
23:000%
Sat, Apr 11
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%
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, Apr 8 Sunrise 06:12 Sunset 19:22
21:00
100% -6.7°C 0mm 82% 0cm -17° -4°C 0mm 0.08kPa 24134m 1.8m/s 2.3m/s
22:00
100% -7.2°C 0mm 79% 0cm -26° -4.1°C 0mm 0.09kPa 24135m 1.9m/s 2.4m/s
23:00
100% -7.9°C 0mm 74% 0cm -33° -3.9°C 0mm 0.12kPa 24135m 1.9m/s 2.5m/s
Thu, Apr 9 Sunrise 06:12 Sunset 19:22
24:00
100% -8°C 0mm 72% 0cm -37° -3.7°C 0mm 0.13kPa 24135m 1.9m/s 2.5m/s
01:00
100% -7.9°C 0mm 72% 0cm -38° -3.7°C 0mm 0.13kPa 24134m 1.9m/s 2.5m/s
02:00
100% -7.6°C 0mm 75% 0cm -36° -3.9°C 0mm 0.11kPa 24134m 1.8m/s 2.4m/s
03:00
100% -7.5°C 0mm 75% 0cm -30° -3.8°C 0mm 0.11kPa 24134m 1.8m/s 2.4m/s
04:00
100% -7.5°C 0mm 75% 0cm -22° -3.8°C 0mm 0.11kPa 24135m 1.9m/s 2.4m/s
05:00
100% -7.6°C 0mm 75% 0cm -13° -3.9°C 0mm 0.12kPa 24134m 1.8m/s 2.3m/s
06:00
100% -7.7°C 0mm 73% 0cm -2.9° -3.5°C 0mm 0.13kPa 24135m 1.8m/s 2.4m/s
07:00
100% -6.9°C 0mm 68% 0cm 7.7° -1.9°C 0mm 0.17kPa 24135m 3.4m/s 2.5m/s
08:00
100% -5.1°C 0mm 61% 0cm 18° 1.6°C 0mm 0.26kPa 24135m 4.3m/s 2.6m/s
09:00
100% -4.9°C 0mm 52% 0cm 29° 4.1°C 0mm 0.39kPa 24135m 4.6m/s 3m/s
10:00
100% -5.1°C 0mm 45% 0cm 39° 5.9°C 0mm 0.51kPa 24134m 4.8m/s 3.3m/s
11:00
100% -5.3°C 0mm 41% 0cm 47° 7.1°C 0mm 0.59kPa 24135m 5.2m/s 3.5m/s
12:00
97% -5°C 0mm 40% 0cm 52° 7.9°C 0mm 0.64kPa 24134m 5.2m/s 3.7m/s
13:00
93% -4°C 0mm 41% 0cm 53° 8.4°C 0mm 0.64kPa 24134m 5.7m/s 3.8m/s
14:00
90% -3.7°C 0mm 41% 0cm 50° 8.9°C 0mm 0.68kPa 24135m 6.3m/s 4m/s
15:00
82% -3.9°C 0mm 40% 0cm 44° 9.2°C 0mm 0.7kPa 24135m 6.7m/s 4.2m/s
16:00
75% -3.7°C 0mm 40% 0cm 35° 9.2°C 0mm 0.7kPa 24134m 7.8m/s 4.3m/s
17:00
67% -1.5°C 0mm 49% 0cm 25° 8.8°C 0mm 0.58kPa 24134m 8.7m/s 4.1m/s
18:00
58% -1.4°C 0mm 56% 0cm 14° 6.9°C 0mm 0.44kPa 24135m 7.2m/s 4m/s
19:00
50% -1.5°C 0mm 71% 0cm 3.4° 3.4°C 0mm 0.23kPa 24134m 5.7m/s 3.4m/s
20:00
41% -2.3°C 0mm 77% 0cm -7.2° 1.2°C 0mm 0.15kPa 24135m 5.4m/s 3.6m/s
21:00
29% -2.7°C 0mm 78% 0cm -17° 0.75°C 0mm 0.14kPa 24134m 5.2m/s 3.5m/s
22:00
18% -3.4°C 0mm 76% 0cm -26° 0.29°C 0mm 0.15kPa 24134m 5m/s 3.2m/s
23:00
6% -3.8°C 0mm 75% 0cm -32° 0.12°C 0mm 0.15kPa 24135m 5.4m/s 3.5m/s
Fri, Apr 10 Sunrise 06:10 Sunset 19:23
24:00
5% -4.1°C 0mm 74% 0cm -37° -0.05°C 0mm 0.16kPa 24134m 4.6m/s 2.9m/s
01:00
4% -4.3°C 0mm 74% 0cm -38° -0.13°C 0mm 0.16kPa 24134m 4m/s 3m/s
02:00
3% -4.1°C 0mm 74% 0cm -35° -0.007°C 0mm 0.16kPa 24135m 2.3m/s 2.4m/s
03:00
4% -3.8°C 0mm 76% 0cm -30° 0.04°C 0mm 0.15kPa 24134m 2.1m/s 2.1m/s
04:00
6% -1.1°C 0.01mm 81% 0cm -22° 1.8°C 0.5mm 0.13kPa 24134m 1.2m/s 1.3m/s
05:00
7% -1.4°C 0mm 86% 0cm -13° 0.68°C 0.5mm 0.09kPa 24135m 1m/s 1.2m/s
06:00
6% -0.6°C 0mm 85% 0cm -2.6° 1.6°C 0.5mm 0.1kPa 24135m 1.1m/s 1.4m/s
07:00
4% 0.2°C 0mm 86% 0cm 2.3°C 0.5mm 0.1kPa 24134m 1.3m/s 1.6m/s
08:00
3% 3.4°C 0mm 82% 0cm 19° 6.3°C 0.5mm 0.17kPa 24134m 1.9m/s 1.3m/s
09:00
3% 4.3°C 0mm 84% 0cm 29° 6.9°C 0mm 0.16kPa 24134m 2.4m/s 1.6m/s
10:00
2% 3.7°C 0mm 90% 0cm 39° 5.2°C 0mm 0.09kPa 24134m 1.7m/s 1.6m/s
11:00
2% 5.8°C 0mm 76% 0cm 47° 9.9°C 0mm 0.3kPa 24134m 2.7m/s 1.5m/s
12:00
1% 6.5°C 0mm 70% 0cm 52° 12°C 0mm 0.42kPa 24134m 4.7m/s 1.9m/s
13:00
1% 6.8°C 0mm 69% 0cm 54° 12°C 0mm 0.44kPa 24135m 7.8m/s 2.3m/s
14:00
0% 7.4°C 0.68mm 82% 0cm 51° 10°C 0.13mm 0.23kPa 20349m 4.7m/s 2.1m/s
15:00
0% 6.7°C 0.02mm 92% 0cm 44° 8°C 0.56mm 0.09kPa 24135m 2.1m/s 2.1m/s
16:00
0% 7.9°C 0mm 83% 0cm 35° 11°C 0.63mm 0.21kPa 24032m 11m/s 2.6m/s
17:00
0% 8.3°C 0mm 86% 0cm 25° 10°C 0.69mm 0.17kPa 23764m 7.9m/s 2.4m/s
18:00
0% 8.1°C 0.01mm 85% 0cm 14° 11°C 0.81mm 0.2kPa 24134m 11m/s 3.3m/s
19:00
0% 7.6°C 0.03mm 87% 0cm 3.6° 9.7°C 0.88mm 0.16kPa 23978m 13m/s 3.8m/s
20:00
0% 7.6°C 0.66mm 91% 0cm -7° 9°C 1.2mm 0.1kPa 13772m 13m/s 3.8m/s
21:00
0% 6.6°C 0.85mm 98% 0cm -17° 6.8°C 0.56mm 0.02kPa 8158m 1.5m/s 1.3m/s
22:00
0% 5.1°C 2mm 100% 0cm -25° 5.2°C 2.4mm 0kPa 127m 3.1m/s 2.3m/s
23:00
0% 3°C 0.22mm 99% 0cm -32° 3.1°C 4mm 0kPa 114m 3.8m/s 2.4m/s
Sat, Apr 11 Sunrise 06:09 Sunset 19:25
24:00
0% 2.6°C 0.24mm 100% 0cm -36° 2.7°C 4.5mm 0kPa 130m 3.8m/s 2.2m/s
01:00
0% 2.3°C 0.06mm 100% 0cm -37° 2.4°C 4.6mm 0kPa 172m 3.2m/s 1.8m/s
02:00
0% 2.1°C 0.01mm 99% 0cm -35° 2.2°C 4.7mm 0.01kPa 343m 4.5m/s 2.3m/s
03:00
0% 0.9°C 0.02mm 92% 0.04cm -29° 2°C 3.3mm 0.05kPa 3113m 5.7m/s 3m/s
04:00
0% -0.4°C 0.04mm 85% 0.08cm -22° 1.8°C 1.9mm 0.1kPa 5884m 6.9m/s 3.8m/s
05:00
0% -1.8°C 0.05mm 78% 0.12cm -12° 1.6°C 0.44mm 0.15kPa 8654m 8m/s 4.5m/s
06:00
0% -2.3°C 0.04mm 75% 0.08cm -2.3° 1.7°C 0.48mm 0.17kPa 11219m 8.1m/s 4.6m/s
07:00
0% -2.9°C 0.04mm 71% 0.04cm 8.3° 1.7°C 0.52mm 0.2kPa 13785m 8.2m/s 4.6m/s
08:00
0% -3.4°C 0.03mm 68% 0cm 19° 1.8°C 0.56mm 0.22kPa 16350m 8.3m/s 4.6m/s
09:00
0% -3.5°C 0.02mm 65% 0cm 29° 2.5°C 0.4mm 0.26kPa 18945m 8.2m/s 4.3m/s
10:00
0% -3.7°C 0.02mm 61% 0cm 39° 3.1°C 0.23mm 0.3kPa 21540m 8m/s 3.9m/s
11:00
0% -3.9°C 0.01mm 57% 0cm 47° 3.8°C 0.06mm 0.34kPa 24135m 7.8m/s 3.5m/s
12:00
0% -3.6°C 0.007mm 64% 0cm 53° 2.4°C 0.06mm 0.26kPa 24135m 5.7m/s 2.9m/s
13:00
1% -3.5°C 0.003mm 72% 0cm 54° 1.1°C 0.06mm 0.19kPa 24135m 3.5m/s 2.2m/s
14:00
1% -3.5°C 0mm 79% 0cm 51° -0.29°C 0.06mm 0.13kPa 24135m 1.4m/s 1.5m/s
15:00
8% -3.4°C 0mm 83% 0cm 44° -0.82°C 0.04mm 0.1kPa 24135m 1.4m/s 1.5m/s
16:00
15% -3.3°C 0mm 87% 0cm 35° -1.4°C 0.02mm 0.07kPa 24135m 1.4m/s 1.5m/s
17:00
22% -3.2°C 0mm 91% 0cm 25° -1.9°C 0mm 0.05kPa 24135m 1.3m/s 1.5m/s
18:00
24% -3.3°C 0mm 91% 0cm 14° -2°C 0mm 0.05kPa 24135m 1.2m/s 1.3m/s
19:00
25% -3.5°C 0mm 91% 0cm 3.8° -2.2°C 0mm 0.05kPa 24135m 1.2m/s 1.2m/s
20:00
27% -3.6°C 0mm 91% 0cm -6.7° -2.3°C 0mm 0.05kPa 24135m 1.1m/s 1.1m/s
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