Siwiki (Łomża County) — Weather
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15°C60°F· Light rain · 89% cloud cover
Feels like 15°C59°F · Low 14°C57°F · High 20°C68°F
Wind
8 km/h2 m/s5 mph from N
Humidity
92%
Pressure
1013 hPa29.90 inHgstable
UV Index
0.2Low
Unsettled — rain
Siwiki, 15°C59°F — rain right now.
🌧️ Local instability on Friday, with rain. Total ~4.0 mm. Below the monthly normal (69 mm/month).
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
mminkm/hm/smphHumidity %
Daily Forecast
Today4.0 mm0.16 inNW 9 km/h2 m/s5 mph(gusts 25715)84%UV 24hToday84%NW 9 km/h2 m/s5 mph (gusts 25715)4.0 mm0.16 inUV 24h
Today
4.0 mm0.16 inNW 9 km/h2 m/s5 mph(gusts 25715)84%UV 24h
Today
84%
NW 9 km/h2 m/s5 mph (gusts 25715)
4.0 mm0.16 in
UV 2
4h
Today — Hourly Forecast
04:3616.1h20:41
TomorrowSW 11 km/h3 m/s7 mph(gusts 27817)73%UV 13hTomorrow73%SW 11 km/h3 m/s7 mph (gusts 27817)UV 13h
Tomorrow
SW 11 km/h3 m/s7 mph(gusts 27817)73%UV 13h
Tomorrow
73%
SW 11 km/h3 m/s7 mph (gusts 27817)
UV 1
3h
Tomorrow — Hourly Forecast
04:3816h20:40
SundayS 13 km/h4 m/s8 mph(gusts 33920)61%UV 14hSunday61%S 13 km/h4 m/s8 mph (gusts 33920)UV 14h
Sunday
S 13 km/h4 m/s8 mph(gusts 33920)61%UV 14h
Sunday
61%
S 13 km/h4 m/s8 mph (gusts 33920)
UV 1
4h
Sunday — Forecast Overview
04:3916h20:38
Monday10.7 mm0.42 in· heavyW 19 km/h5 m/s12 mph(gusts 351022)84%UV 16hMonday84%W 19 km/h5 m/s12 mph (gusts 351022)10.7 mm0.42 inUV 16h
Monday
10.7 mm0.42 in· heavyW 19 km/h5 m/s12 mph(gusts 351022)84%UV 16h
Monday
84%
W 19 km/h5 m/s12 mph (gusts 351022)
10.7 mm0.42 in
UV 1
6h
Monday — Forecast Overview
04:4115.9h20:37
TuesdayNW 29 km/h8 m/s18 mph73%UV 113hTuesday73%NW 29 km/h8 m/s18 mphUV 113h
Tuesday
NW 29 km/h8 m/s18 mph73%UV 113h
Tuesday
73%
NW 29 km/h8 m/s18 mph
UV 1
13h
Tuesday — Forecast Overview
04:4315.9h20:35
WednesdayW 10 km/h3 m/s6 mph(gusts 25715)79%UV 18hWednesday79%W 10 km/h3 m/s6 mph (gusts 25715)UV 18h
Wednesday
W 10 km/h3 m/s6 mph(gusts 25715)79%UV 18h
Wednesday
79%
W 10 km/h3 m/s6 mph (gusts 25715)
UV 1
8h
Night
13°C56°F
Morning
10°C51°F
Afternoon
20°C68°F
Evening
16°C61°F
04:4415.8h20:33
ThursdayS 7 km/h2 m/s5 mph(gusts 18511)70%UV 17hThursday70%S 7 km/h2 m/s5 mph (gusts 18511)UV 17h
Thursday
S 7 km/h2 m/s5 mph(gusts 18511)70%UV 17h
Thursday
70%
S 7 km/h2 m/s5 mph (gusts 18511)
UV 1
7h
Night
15°C59°F
Morning
23°C74°F
Afternoon
23°C74°F
Evening
25°C76°F
04:4615.8h20:32
FridaySE 22 km/h6 m/s14 mph(gusts 351022)68%UV 115hFriday68%SE 22 km/h6 m/s14 mph (gusts 351022)UV 115h
Friday
SE 22 km/h6 m/s14 mph(gusts 351022)68%UV 115h
Friday
68%
SE 22 km/h6 m/s14 mph (gusts 351022)
UV 1
15h
Night
18°C64°F
Morning
27°C81°F
Afternoon
27°C81°F
Evening
24°C75°F
04:4715.7h20:30
Saturday0.8 mm0.03 inSE 12 km/h3 m/s8 mph(gusts 28818)48%15hSaturday48%SE 12 km/h3 m/s8 mph (gusts 28818)0.8 mm0.03 in15h
Saturday
0.8 mm0.03 inSE 12 km/h3 m/s8 mph(gusts 28818)48%15h
Saturday
48%
SE 12 km/h3 m/s8 mph (gusts 28818)
0.8 mm0.03 in
15h
Night
17°C63°F
Morning
27°C80°F
Afternoon
27°C80°F
Evening
27°C80°F
04:4915.7h20:28
SundayNW 16 km/h5 m/s10 mph(gusts 32920)57%15hSunday57%NW 16 km/h5 m/s10 mph (gusts 32920)15h
Sunday
NW 16 km/h5 m/s10 mph(gusts 32920)57%15h
Sunday
57%
NW 16 km/h5 m/s10 mph (gusts 32920)
15h
Night
19°C66°F
Morning
30°C85°F
Afternoon
30°C85°F
Evening
25°C76°F
04:5115.6h20:26
Monday12.4 mm0.49 in· heavyNW 15 km/h4 m/s9 mph(gusts 28818)53%14hMonday53%NW 15 km/h4 m/s9 mph (gusts 28818)12.4 mm0.49 in14h
Monday
12.4 mm0.49 in· heavyNW 15 km/h4 m/s9 mph(gusts 28818)53%14h
Monday
53%
NW 15 km/h4 m/s9 mph (gusts 28818)
12.4 mm0.49 in
14h
Night
17°C63°F
Morning
26°C79°F
Afternoon
26°C79°F
Evening
25°C77°F
04:5215.5h20:25
TuesdayW 20 km/h6 m/s12 mph72%16hTuesday72%W 20 km/h6 m/s12 mph16h
Tuesday
W 20 km/h6 m/s12 mph72%16h
Tuesday
72%
W 20 km/h6 m/s12 mph
16h
Night
14°C57°F
Morning
21°C69°F
Afternoon
21°C69°F
Evening
19°C65°F
04:5415.5h20:23
WednesdayNW 26 km/h7 m/s16 mph(gusts 431227)67%14hWednesday67%NW 26 km/h7 m/s16 mph (gusts 431227)14h
Wednesday
NW 26 km/h7 m/s16 mph(gusts 431227)67%14h
Wednesday
67%
NW 26 km/h7 m/s16 mph (gusts 431227)
14h
Night
14°C58°F
Morning
19°C67°F
Afternoon
19°C67°F
Evening
17°C63°F
04:5615.4h20:21
ThursdayW 13 km/h4 m/s8 mph61%14hThursday61%W 13 km/h4 m/s8 mph14h
Thursday
W 13 km/h4 m/s8 mph61%14h
Thursday
61%
W 13 km/h4 m/s8 mph
14h
Night
11°C52°F
Morning
22°C72°F
Afternoon
22°C72°F
Evening
19°C66°F
04:5715.4h20:19
FridayS 19 km/h5 m/s12 mph(gusts 391124)46%15hFriday46%S 19 km/h5 m/s12 mph (gusts 391124)15h
Friday
S 19 km/h5 m/s12 mph(gusts 391124)46%15h
Friday
46%
S 19 km/h5 m/s12 mph (gusts 391124)
15h
Night
15°C59°F
Morning
26°C79°F
Afternoon
26°C79°F
Evening
24°C76°F
04:5915.3h20:17
SaturdayNW 20 km/h6 m/s13 mph(gusts 401125)55%15hSaturday55%NW 20 km/h6 m/s13 mph (gusts 401125)15h
Saturday
NW 20 km/h6 m/s13 mph(gusts 401125)55%15h
Saturday
55%
NW 20 km/h6 m/s13 mph (gusts 401125)
15h
Night
19°C66°F
Morning
23°C73°F
Afternoon
23°C73°F
Evening
20°C68°F
05:0115.2h20:15
Sunrise
04:36
Civil Dawn 04:06
Sunset
20:42
Civil Dusk 21:12
Today vs. seasonal normal
-4.3°C-7.7°F
Siwiki is located in Podlaskie Voivodeship, Poland. Elevation: 107m. Annual average temperature: 7.6°C. Annual precipitation: 493mm.
Frequently Asked Questions
What is the weather like in Siwiki today?
Today in Siwiki, Poland, the temperature is 15°C with Light rain. The high is 20°C and the low is 14°C.
What is the 16-day forecast for Siwiki?
The 16-day forecast for Siwiki shows the warmest day is Saturday at 34°C, while the coolest night is Wednesday at 10°C. 6 day(s) have precipitation expected.
What time is sunrise and sunset in Siwiki?
In Siwiki, sunrise is at 04:36 and sunset is at 20:42. Day length is approximately 16h 5m.
How accurate is the weather forecast for Siwiki?
Our forecasts for Siwiki use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Siwiki has an annual average temperature of 7.6°C and receives 493mm of precipitation per year.
Last updated: 07/24/2026, 08:00 AM
July climate in Siwiki
Normals for July: average 19°C (13–24°C), around 69 mm of rain across the month. About 11°C warmer than the annual average of 7.6°C.
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