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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 · ≥ 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 Spread8.4°C
Visibility24135 (Clear)
Relative Humidity56%
Wind Speed5.7m/s (moderate winds)

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%
Sat, May 23
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%
Sun, May 24
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%
Mon, May 25
24:000%
01:000%
02:000%
03:000%
04:000%
05:0040%
06:0040%
07:0041%
08:000%
09:0069%
10:0038%
11:000%
12:000%
13:000%
14:000%
15:0038%
16:0030%
17:0030%
18:0033%
19:0030%
20:0030%
21:0071%
22:0071%
23:0073%
Tue, May 26
24:0071%
01:0071%
02:0071%
03:0071%
04:0073%
05:0073%
06:0071%
07:0048%
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%
Wed, May 27
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
Sun, May 24 Sunrise 05:13 Sunset 20:02
09:00
0% 3.5°C 0mm 56% 0cm 40° 12°C 0mm 0.61kPa 24135m 11m/s 5.7m/s
10:00
0% 4.7°C 0.17mm 62% 0cm 51° 12°C 0.06mm 0.53kPa 23883m 9.2m/s 4.7m/s
11:00
0% 7°C 0.92mm 77% 0cm 61° 11°C 0.75mm 0.3kPa 15696m 7.8m/s 3.7m/s
12:00
0% 8.3°C 0.66mm 87% 0cm 68° 10°C 1.4mm 0.16kPa 19409m 9.6m/s 4.2m/s
13:00
0% 8.8°C 0.6mm 90% 0cm 69° 10°C 2mm 0.12kPa 18537m 11m/s 4.8m/s
14:00
0% 9.1°C 0.94mm 92% 0cm 63° 10°C 2.9mm 0.1kPa 12720m 12m/s 5.6m/s
15:00
0% 9.4°C 0.86mm 92% 0cm 54° 11°C 0.81mm 0.1kPa 14090m 13m/s 6.3m/s
16:00
0% 9.8°C 1.4mm 94% 0cm 43° 11°C 2.1mm 0.08kPa 9139m 14m/s 7.1m/s
17:00
0% 10°C 1.9mm 95% 0cm 32° 11°C 3.9mm 0.07kPa 7456m 14m/s 7.2m/s
18:00
0% 11°C 1.2mm 96% 0cm 21° 11°C 5.6mm 0.06kPa 10131m 14m/s 7.5m/s
19:00
0% 11°C 1.1mm 96% 0cm 9.9° 12°C 7.1mm 0.06kPa 10779m 15m/s 7.7m/s
20:00
0% 11°C 1.6mm 96% 0cm 0.13° 12°C 8.5mm 0.05kPa 7309m 16m/s 7.8m/s
21:00
0% 11°C 0.86mm 96% 0cm -9.6° 12°C 1.3mm 0.06kPa 12289m 17m/s 8.5m/s
22:00
0% 12°C 0.6mm 95% 0cm -17° 12°C 1.9mm 0.07kPa 12809m 17m/s 8.4m/s
23:00
0% 12°C 0.44mm 96% 0cm -23° 12°C 2.5mm 0.06kPa 17449m 17m/s 8.3m/s
Mon, May 25 Sunrise 05:13 Sunset 20:03
24:00
0% 12°C 0.31mm 97% 0cm -27° 12°C 2.9mm 0.05kPa 1670m 17m/s 8m/s
01:00
0% 12°C 0.23mm 97% 0cm -27° 13°C 3.1mm 0.04kPa 657m 17m/s 7.7m/s
02:00
0% 13°C 0.26mm 98% 0cm -25° 13°C 3.4mm 0.04kPa 331m 16m/s 7.1m/s
03:00
0% 13°C 0.29mm 98% 0cm -19° 13°C 0.25mm 0.03kPa 186m 14m/s 6.4m/s
04:00
0% 14°C 0.16mm 98% 0cm -12° 14°C 0.5mm 0.03kPa 184m 13m/s 5.9m/s
05:00
0% 14°C 0.07mm 99% 0cm -2.8° 15°C 0.63mm 0.02kPa 156m 10m/s 4.8m/s
06:00
0% 15°C 0mm 99% 0cm 7.2° 15°C 0.69mm 0.02kPa 128m 9.4m/s 4.3m/s
07:00
0% 15°C 0.13mm 99% 0cm 18° 15°C 0.75mm 0.02kPa 108m 8.9m/s 3.9m/s
08:00
0% 15°C 0.07mm 99% 0cm 29° 16°C 1.5mm 0.02kPa 106m 8.8m/s 4m/s
09:00
0% 16°C 0.01mm 99% 0cm 40° 16°C 0.19mm 0.02kPa 92m 8.9m/s 3.9m/s
10:00
0% 16°C 0.21mm 99% 0cm 51° 16°C 0.63mm 0.03kPa 97m 7.8m/s 3.8m/s
11:00
0% 16°C 0.18mm 99% 0cm 61° 16°C 1.3mm 0.02kPa 107m 6.7m/s 3.2m/s
12:00
0% 16°C 18mm 99% 0cm 68° 16°C 12mm 0.01kPa 132m 5.1m/s 3.6m/s
13:00
0% 14°C 0.77mm 99% 0cm 69° 14°C 18mm 0.01kPa 167m 4.8m/s 3.4m/s
14:00
0% 13°C 0.77mm 99% 0cm 63° 13°C 19mm 0.02kPa 394m 3.2m/s 2.2m/s
15:00
0% 13°C 0.01mm 98% 0cm 54° 14°C 0.25mm 0.04kPa 5539m 3.2m/s 2.4m/s
16:00
0% 13°C 0mm 97% 0cm 43° 14°C 0.25mm 0.05kPa 3319m 4.3m/s 3.3m/s
17:00
0% 13°C 0mm 96% 0cm 32° 14°C 0.25mm 0.07kPa 3218m 3m/s 1.8m/s
18:00
0% 14°C 0mm 96% 0cm 21° 14°C 0.25mm 0.07kPa 3375m 2.5m/s 1.4m/s
19:00
0% 14°C 0mm 96% 0cm 10° 14°C 0.25mm 0.06kPa 24134m 1.5m/s 0.83m/s
20:00
0% 14°C 0mm 97% 0cm 0.25° 14°C 0.25mm 0.05kPa 24135m 0.72m/s 0.6m/s
21:00
0% 14°C 0mm 98% 0cm -9.5° 15°C 0mm 0.04kPa 24134m 2.4m/s 2.1m/s
22:00
0% 15°C 0mm 98% 0cm -17° 15°C 0mm 0.04kPa 24135m 2.6m/s 2.2m/s
23:00
0% 14°C 0mm 98% 0cm -23° 15°C 0mm 0.03kPa 24134m 1.9m/s 1.7m/s
Tue, May 26 Sunrise 05:12 Sunset 20:04
24:00
0% 14°C 0mm 98% 0cm -27° 14°C 0mm 0.03kPa 24134m 1.1m/s 1m/s
01:00
0% 14°C 0mm 98% 0cm -27° 14°C 0mm 0.03kPa 24134m 1.5m/s 1.4m/s
02:00
0% 14°C 0mm 98% 0cm -24° 14°C 0mm 0.03kPa 24135m 1m/s 0.89m/s
03:00
0% 14°C 0mm 98% 0cm -19° 14°C 0mm 0.03kPa 24134m 0.8m/s 0.79m/s
04:00
0% 14°C 0mm 98% 0cm -12° 14°C 0mm 0.03kPa 24135m 1.7m/s 1.7m/s
05:00
0% 14°C 0.01mm 99% 0cm -2.7° 14°C 0mm 0.02kPa 14268m 3.6m/s 2.7m/s
06:00
0% 13°C 0.01mm 98% 0cm 7.3° 14°C 0mm 0.03kPa 13433m 4.8m/s 3.1m/s
07:00
0% 13°C 0.01mm 95% 0cm 18° 13°C 0mm 0.08kPa 15145m 5m/s 3.2m/s
08:00
0% 12°C 0.01mm 91% 0cm 29° 14°C 0mm 0.13kPa 24134m 3.4m/s 2.4m/s
09:00
0% 13°C 0mm 87% 0cm 40° 15°C 0mm 0.22kPa 24134m 3.6m/s 2.5m/s
10:00
0% 12°C 0mm 81% 0cm 51° 16°C 0mm 0.33kPa 24135m 4.1m/s 2.9m/s
11:00
0% 12°C 0mm 78% 0cm 61° 16°C 0mm 0.41kPa 24135m 4.4m/s 3.3m/s
12:00
0% 12°C 0mm 78% 0cm 68° 16°C 0mm 0.41kPa 24134m 4.2m/s 3.3m/s
13:00
1% 13°C 0mm 76% 0cm 69° 17°C 0mm 0.45kPa 24135m 3.8m/s 3.1m/s
14:00
1% 13°C 0mm 79% 0cm 63° 16°C 0mm 0.38kPa 24134m 4.8m/s 3.9m/s
15:00
5% 13°C 0mm 84% 0cm 54° 16°C 0mm 0.28kPa 24134m 7.5m/s 5.3m/s
16:00
10% 14°C 0mm 90% 0cm 43° 16°C 0mm 0.19kPa 24135m 10m/s 6.7m/s
17:00
14% 15°C 0mm 95% 0cm 32° 16°C 0mm 0.09kPa 24135m 13m/s 8.1m/s
18:00
15% 15°C 0.01mm 95% 0cm 21° 15°C 0.02mm 0.08kPa 22645m 13m/s 8.6m/s
19:00
15% 15°C 0.02mm 96% 0cm 10° 15°C 0.04mm 0.07kPa 21154m 13m/s 9.1m/s
20:00
16% 14°C 0.03mm 96% 0cm 0.37° 15°C 0.06mm 0.06kPa 19664m 13m/s 9.6m/s
21:00
24% 15°C 0.03mm 96% 0cm -9.3° 15°C 0.06mm 0.06kPa 19388m 12m/s 9.4m/s
22:00
32% 15°C 0.03mm 96% 0cm -17° 15°C 0.06mm 0.07kPa 19112m 12m/s 9.3m/s
23:00
40% 15°C 0.03mm 96% 0cm -23° 16°C 0.06mm 0.08kPa 18836m 11m/s 9.1m/s
Wed, May 27 Sunrise 05:11 Sunset 20:04
24:00
39% 15°C 0.02mm 96% 0cm -26° 16°C 0.08mm 0.07kPa 16930m 11m/s 8.4m/s
01:00
38% 15°C 0.01mm 96% 0cm -27° 16°C 0.1mm 0.06kPa 15024m 10m/s 7.8m/s
02:00
37% 15°C 0mm 97% 0cm -24° 16°C 0.13mm 0.06kPa 13118m 9.6m/s 7.1m/s
03:00
42% 15°C 0mm 95% 0cm -19° 16°C 0.08mm 0.09kPa 16790m 9.4m/s 7m/s
04:00
46% 15°C 0mm 93% 0cm -12° 16°C 0.04mm 0.13kPa 20463m 9.2m/s 6.8m/s
05:00
51% 15°C 0mm 91% 0cm -2.6° 16°C 0mm 0.17kPa 24135m 9m/s 6.7m/s
06:00
48% 15°C 0mm 90% 0cm 7.4° 17°C 0mm 0.18kPa 24135m 7.5m/s 5.6m/s
07:00
45% 15°C 0mm 90% 0cm 18° 17°C 0mm 0.19kPa 24135m 5.9m/s 4.5m/s
08:00
42% 15°C 0mm 90% 0cm 29° 17°C 0mm 0.2kPa 24135m 4.4m/s 3.4m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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