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More Fog Hunter in Southern Finland
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Rule Fog Hunter

Teijo - Fog Hunter - Southern Finland

Matildedal, Southwest Finland, Finland

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
Fog Probability
0%
Dewpoint Spread9.1°C
Visibility24134 (Clear)
Relative Humidity53%
Wind Speed3.1m/s (calm conditions)

Upcoming Opportunities

When all conditions match, PhotoWeather marks an opportunity window.

Times shown in Europe/Helsinki

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

Southern Finland's lake district and boreal forests create ideal conditions for fog photography. The region's 188,000 lakes, countless bogs, and mixed forests generate reliable morning mist from late summer through autumn.

What makes Southern Finland special for fog photography:

  • Lake fog - Large lakes like Vesijärvi and Saimaa produce dramatic ground fog at dawn
  • Bog mist - Torronsuo and other wetlands create ethereal low-lying fog over boardwalks
  • Forest atmosphere - Nuuksio and Repovesi offer misty woodland scenes with cliff viewpoints
  • Accessibility - Most locations within 2 hours of Helsinki

Peak fog season runs from August through October, with the strongest conditions occurring on calm, clear nights when temperatures drop near the dewpoint. Arrive before sunrise for the most dramatic mist.

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72-hour requirements breakdown

What passed or failed, hour by hour
0matching hours in the next 86 hours
AND logic: all conditions required
Meets requirement
Misses requirement
Time
Europe/Helsinki
Fog Probability
≥ 60.0%
Tue, Apr 21
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%
Wed, Apr 22
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, Apr 23
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 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%
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
Europe/Helsinki
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
Tue, Apr 21 Sunrise 05:54 Sunset 21:01
22:00 ☾
80% -0.2°C 0mm 53% 0cm -6.8° 8.9°C 0mm 0.54kPa 24134m 9.4m/s 3.1m/s
23:00 ☾
79% -0.2°C 0mm 57% 0cm -12° 7.8°C 0mm 0.45kPa 24134m 8.7m/s 2.6m/s
Wed, Apr 22 Sunrise 05:54 Sunset 21:01
24:00 ☾
79% -0.3°C 0mm 60% 0cm -16° 7°C 0mm 0.4kPa 24134m 8.3m/s 2.5m/s
01:00 ☾
82% -0.5°C 0mm 62% 0cm -17° 6.4°C 0mm 0.37kPa 24134m 7.7m/s 2.3m/s
02:00 ☾
86% -0.7°C 0mm 63% 0cm -17° 5.8°C 0mm 0.34kPa 24135m 6.5m/s 2.3m/s
03:00 ☾
89% -0.9°C 0mm 64% 0cm -15° 5.4°C 0mm 0.32kPa 24134m 6.6m/s 2.3m/s
04:00 ☾
92% -0.8°C 0mm 66% 0cm -11° 4.9°C 0mm 0.29kPa 24135m 7.3m/s 2.3m/s
05:00 ☾
96% -0.4°C 0mm 71% 0cm -6.1° 4.5°C 0mm 0.25kPa 24134m 9m/s 2.4m/s
06:00
99% 0.1°C 0mm 75% 0cm 0.64° 4.2°C 0mm 0.21kPa 24135m 8.9m/s 2.4m/s
07:00
90% 0.7°C 0mm 74% 0cm 7.4° 5°C 0mm 0.23kPa 24134m 10m/s 3.1m/s
08:00
81% 1.1°C 0mm 66% 0cm 15° 7°C 0mm 0.34kPa 24135m 11m/s 3.8m/s
09:00
72% 0.2°C 0mm 58% 0cm 22° 7.9°C 0mm 0.45kPa 24134m 9.3m/s 4.4m/s
10:00
48% -0.8°C 0mm 51% 0cm 29° 8.8°C 0mm 0.56kPa 24134m 10m/s 5m/s
11:00
24% -2.2°C 0mm 44% 0cm 35° 9.4°C 0mm 0.66kPa 24134m 9.4m/s 5.2m/s
12:00
0% -2.3°C 0mm 42% 0cm 39° 10°C 0mm 0.71kPa 24135m 9.8m/s 5.9m/s
13:00
0% -1.1°C 0mm 46% 0cm 42° 10°C 0mm 0.67kPa 24134m 10m/s 6.2m/s
14:00
0% 0°C 0mm 46% 0cm 42° 11°C 0mm 0.71kPa 24134m 12m/s 6.9m/s
15:00
0% 1°C 0mm 49% 0cm 39° 11°C 0mm 0.69kPa 24135m 13m/s 7.2m/s
16:00
0% 1.7°C 0mm 50% 0cm 34° 12°C 0mm 0.69kPa 24135m 14m/s 7.3m/s
17:00
0% 2.1°C 0.01mm 52% 0cm 28° 12°C 0mm 0.67kPa 24135m 13m/s 7.4m/s
18:00
0% 2.2°C 0mm 54% 0cm 21° 11°C 0mm 0.61kPa 24135m 11m/s 6.6m/s
19:00
1% 1.8°C 0mm 55% 0cm 14° 10°C 0mm 0.56kPa 24135m 12m/s 6.3m/s
20:00
1% 1.7°C 0mm 58% 0cm 6.8° 9.6°C 0mm 0.51kPa 24134m 13m/s 5.8m/s
21:00
2% 1.8°C 0mm 64% 0cm 0.21° 8.3°C 0mm 0.4kPa 24134m 12m/s 5.5m/s
22:00 ☾
24% 1.6°C 0mm 66% 0cm -6.5° 7.6°C 0mm 0.36kPa 24134m 12m/s 4.9m/s
23:00 ☾
47% -0.2°C 0mm 57% 0cm -12° 7.8°C 0mm 0.45kPa 24134m 13m/s 5.2m/s
Thu, Apr 23 Sunrise 05:51 Sunset 21:04
24:00 ☾
69% -3.3°C 0mm 48% 0cm -15° 7°C 0mm 0.52kPa 24135m 17m/s 6.2m/s
01:00 ☾
74% -6.5°C 0mm 41% 0cm -17° 5.7°C 0mm 0.54kPa 24135m 19m/s 6.5m/s
02:00 ☾
79% -9.4°C 0mm 36% 0cm -17° 4.4°C 0mm 0.54kPa 24135m 20m/s 7.1m/s
03:00 ☾
84% -12°C 0mm 33% 0cm -15° 3°C 0mm 0.51kPa 24134m 19m/s 6.3m/s
04:00 ☾
84% -12°C 0mm 36% 0cm -11° 1.6°C 0mm 0.43kPa 24135m 13m/s 5.2m/s
05:00 ☾
84% -11°C 0mm 41% 0cm -5.8° 0.68°C 0mm 0.38kPa 24135m 11m/s 4.9m/s
06:00
84% -11°C 0mm 44% 0cm 0.91° 0.14°C 0mm 0.35kPa 24135m 12m/s 5m/s
07:00
85% -10°C 0mm 45% 0cm 7.7° 0.21°C 0mm 0.34kPa 24135m 12m/s 5m/s
08:00
85% -9.7°C 0mm 44% 0cm 15° 1.1°C 0mm 0.37kPa 24135m 13m/s 5.3m/s
09:00
86% -9.8°C 0mm 40% 0cm 22° 2.3°C 0mm 0.43kPa 24135m 11m/s 6m/s
10:00
86% -10°C 0mm 36% 0cm 29° 3.7°C 0mm 0.51kPa 24135m 10m/s 5.8m/s
11:00
86% -9.8°C 0mm 33% 0cm 35° 5.3°C 0mm 0.6kPa 24134m 10m/s 5.8m/s
12:00
86% -9.5°C 0mm 30% 0cm 40° 6.7°C 0mm 0.68kPa 24135m 10m/s 5.8m/s
13:00
80% -9.4°C 0mm 28% 0cm 42° 7.9°C 0mm 0.76kPa 24135m 9.5m/s 5.9m/s
14:00
73% -9.5°C 0mm 26% 0cm 42° 8.8°C 0mm 0.84kPa 24135m 9.8m/s 6m/s
15:00
67% -9.1°C 0mm 26% 0cm 39° 9.6°C 0mm 0.89kPa 24134m 10m/s 6.2m/s
16:00
55% -7.2°C 0mm 29% 0cm 35° 10°C 0mm 0.88kPa 24135m 9.9m/s 5.9m/s
17:00
42% -6.4°C 0mm 30% 0cm 29° 10°C 0mm 0.87kPa 24135m 9.3m/s 5.6m/s
18:00
30% -5.3°C 0mm 33% 0cm 22° 10°C 0mm 0.85kPa 24134m 8.9m/s 5.1m/s
19:00
27% -4.3°C 0mm 38% 0cm 14° 9.2°C 0mm 0.72kPa 24135m 8.7m/s 5.5m/s
20:00
23% -3.9°C 0mm 45% 0cm 7.1° 7.2°C 0mm 0.56kPa 24134m 9m/s 5.4m/s
21:00
20% -3.7°C 0mm 51% 0cm 0.44° 5.6°C 0mm 0.44kPa 24134m 10m/s 4.5m/s
22:00 ☾
16% -3.2°C 0mm 56% 0cm -6.2° 4.7°C 0mm 0.37kPa 24134m 10m/s 3.9m/s
23:00 ☾
11% -2.8°C 0mm 62% 0cm -11° 4°C 0mm 0.31kPa 24134m 10m/s 3.4m/s
Fri, Apr 24 Sunrise 05:48 Sunset 21:06
24:00 ☾
7% -2.8°C 0mm 64% 0cm -15° 3.3°C 0mm 0.27kPa 24134m 9.7m/s 3.1m/s
01:00 ☾
7% -2.7°C 0mm 66% 0cm -17° 3.1°C 0mm 0.26kPa 24135m 9.8m/s 3m/s
02:00 ☾
7% -2.8°C 0mm 67% 0cm -17° 2.7°C 0mm 0.25kPa 24135m 9.4m/s 2.9m/s
03:00 ☾
7% -2.9°C 0mm 68% 0cm -15° 2.5°C 0mm 0.24kPa 24135m 9.3m/s 2.8m/s
04:00 ☾
10% -2.5°C 0mm 65% 0cm -11° 3.4°C 0mm 0.27kPa 24135m 7m/s 2.6m/s
05:00 ☾
13% -2.2°C 0mm 63% 0cm -5.5° 4.3°C 0mm 0.31kPa 24135m 4.7m/s 2.5m/s
06:00
16% -1.9°C 0mm 60% 0cm 1.2° 5.2°C 0mm 0.35kPa 24135m 2.4m/s 2.3m/s
07:00
17% -1.4°C 0mm 63% 0cm 8° 5°C 0mm 0.32kPa 24135m 4.4m/s 3.9m/s
08:00
17% -0.9°C 0mm 66% 0cm 15° 4.9°C 0mm 0.29kPa 24135m 6.4m/s 5.5m/s
09:00
18% -0.4°C 0mm 69% 0cm 23° 4.7°C 0mm 0.26kPa 24135m 8.3m/s 7.1m/s
10:00
26% -0.4°C 0mm 69% 0cm 30° 4.9°C 0mm 0.27kPa 24135m 8m/s 6.6m/s
11:00
33% -0.3°C 0mm 69% 0cm 36° 5°C 0mm 0.27kPa 24135m 7.6m/s 6.1m/s
12:00
41% -0.2°C 0mm 68% 0cm 40° 5.1°C 0mm 0.28kPa 24135m 7.3m/s 5.5m/s
13:00
40% 0.4°C 0mm 73% 0cm 42° 4.8°C 0mm 0.23kPa 24135m 6.8m/s 5.2m/s
14:00
40% 1.1°C 0mm 78% 0cm 42° 4.5°C 0mm 0.18kPa 24135m 6.4m/s 4.8m/s
15:00
39% 1.6°C 0mm 84% 0cm 40° 4.2°C 0mm 0.14kPa 24135m 5.9m/s 4.5m/s
16:00
39% 1.6°C 0mm 84% 0cm 35° 4°C 0mm 0.13kPa 24135m 4.9m/s 3.9m/s
17:00
40% 1.6°C 0mm 85% 0cm 29° 3.9°C 0mm 0.12kPa 24135m 3.8m/s 3.2m/s
18:00
40% 1.5°C 0mm 86% 0cm 22° 3.7°C 0mm 0.11kPa 24135m 2.7m/s 2.6m/s
19:00
37% 1.6°C 0mm 86% 0cm 15° 3.7°C 0mm 0.11kPa 24135m 3.3m/s 3m/s
20:00
35% 1.7°C 0mm 86% 0cm 7.3° 3.7°C 0mm 0.11kPa 24135m 3.9m/s 3.4m/s
21:00
32% 1.7°C 0mm 87% 0cm 0.67° 3.7°C 0mm 0.11kPa 24135m 4.5m/s 3.7m/s
How to read: these inputs help produce the derived score; they are not requirements by themselves.

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