Siwiki (Łomża County) — Weather
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17°C63°F· Drizzle · 80% cloud cover
Feels like 18°C64°F · Low 14°C58°F · High 17°C63°F
Wind
6 km/h2 m/s3 mph from NW
Humidity
84%
Pressure
1012 hPa29.89 inHgstable
UV Index
0.0Low
Unsettled — heat
Siwiki, 17°C63°F — rain right now.
⚡ Isolated thunderstorm on Monday, with rain. Total ~11.2 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
TodayNW 6 km/h2 m/s3 mph(gusts 18511)92%1hToday92%NW 6 km/h2 m/s3 mph (gusts 18511)1h
Today
NW 6 km/h2 m/s3 mph(gusts 18511)92%1h
Today
92%
NW 6 km/h2 m/s3 mph (gusts 18511)
1h
Today — Hourly Forecast
04:3616.1h20:41
TomorrowSW 11 km/h3 m/s7 mph(gusts 28817)72%UV 12hTomorrow72%SW 11 km/h3 m/s7 mph (gusts 28817)UV 12h
Tomorrow
SW 11 km/h3 m/s7 mph(gusts 28817)72%UV 12h
Tomorrow
72%
SW 11 km/h3 m/s7 mph (gusts 28817)
UV 1
2h
Tomorrow — Hourly Forecast
04:3816h20:40
SundayS 14 km/h4 m/s9 mph(gusts 34921)62%UV 15hSunday62%S 14 km/h4 m/s9 mph (gusts 34921)UV 15h
Sunday
S 14 km/h4 m/s9 mph(gusts 34921)62%UV 15h
Sunday
62%
S 14 km/h4 m/s9 mph (gusts 34921)
UV 1
5h
Sunday — Forecast Overview
04:3916h20:38
Monday11.2 mm0.44 in· heavyW 16 km/h4 m/s10 mph(gusts 391124)84%UV 12hMonday84%W 16 km/h4 m/s10 mph (gusts 391124)11.2 mm0.44 inUV 12h
Monday
11.2 mm0.44 in· heavyW 16 km/h4 m/s10 mph(gusts 391124)84%UV 12h
Monday
84%
W 16 km/h4 m/s10 mph (gusts 391124)
11.2 mm0.44 in
UV 1
2h
Monday — Forecast Overview
04:4115.9h20:37
TuesdayW 27 km/h7 m/s17 mph(gusts 461329)70%UV 113hTuesday70%W 27 km/h7 m/s17 mph (gusts 461329)UV 113h
Tuesday
W 27 km/h7 m/s17 mph(gusts 461329)70%UV 113h
Tuesday
70%
W 27 km/h7 m/s17 mph (gusts 461329)
UV 1
13h
Tuesday — Forecast Overview
04:4315.9h20:35
WednesdayNW 11 km/h3 m/s7 mph(gusts 26716)77%UV 112hWednesday77%NW 11 km/h3 m/s7 mph (gusts 26716)UV 112h
Wednesday
NW 11 km/h3 m/s7 mph(gusts 26716)77%UV 112h
Wednesday
77%
NW 11 km/h3 m/s7 mph (gusts 26716)
UV 1
12h
Night
13°C55°F
Morning
19°C67°F
Afternoon
19°C67°F
Evening
20°C68°F
04:4415.8h20:33
ThursdayN 7 km/h2 m/s4 mph(gusts 17510)65%UV 114hThursday65%N 7 km/h2 m/s4 mph (gusts 17510)UV 114h
Thursday
N 7 km/h2 m/s4 mph(gusts 17510)65%UV 114h
Thursday
65%
N 7 km/h2 m/s4 mph (gusts 17510)
UV 1
14h
Night
12°C54°F
Morning
22°C71°F
Afternoon
22°C71°F
Evening
21°C70°F
04:4615.8h20:32
FridayE 4 km/h1 m/s3 mph(gusts 1036)56%UV 214hFriday56%E 4 km/h1 m/s3 mph (gusts 1036)UV 214h
Friday
E 4 km/h1 m/s3 mph(gusts 1036)56%UV 214h
Friday
56%
E 4 km/h1 m/s3 mph (gusts 1036)
UV 2
14h
Night
14°C58°F
Morning
24°C76°F
Afternoon
24°C76°F
Evening
24°C74°F
04:4715.7h20:30
SaturdayS 17 km/h5 m/s10 mph(gusts 461329)44%16hSaturday44%S 17 km/h5 m/s10 mph (gusts 461329)16h
Saturday
S 17 km/h5 m/s10 mph(gusts 461329)44%16h
Saturday
44%
S 17 km/h5 m/s10 mph (gusts 461329)
16h
Night
16°C61°F
Morning
33°C91°F
Afternoon
33°C91°F
Evening
28°C83°F
04:4915.7h20:28
SundayS 22 km/h6 m/s14 mph(gusts 401125)36%16hSunday36%S 22 km/h6 m/s14 mph (gusts 401125)16h
Sunday
S 22 km/h6 m/s14 mph(gusts 401125)36%16h
Sunday
36%
S 22 km/h6 m/s14 mph (gusts 401125)
16h
Night
23°C74°F
Morning
33°C92°F
Afternoon
33°C92°F
Evening
29°C85°F
04:5115.6h20:26
MondayS 18 km/h5 m/s11 mph(gusts 461328)32%16hMonday32%S 18 km/h5 m/s11 mph (gusts 461328)16h
Monday
S 18 km/h5 m/s11 mph(gusts 461328)32%16h
Monday
32%
S 18 km/h5 m/s11 mph (gusts 461328)
16h
Night
26°C79°F
Morning
35°C94°F
Afternoon
35°C94°F
Evening
30°C85°F
04:5215.5h20:25
TuesdayNW 17 km/h5 m/s11 mph(gusts 461328)44%15hTuesday44%NW 17 km/h5 m/s11 mph (gusts 461328)15h
Tuesday
NW 17 km/h5 m/s11 mph(gusts 461328)44%15h
Tuesday
44%
NW 17 km/h5 m/s11 mph (gusts 461328)
15h
Night
26°C78°F
Morning
33°C91°F
Afternoon
33°C91°F
Evening
27°C80°F
04:5415.5h20:23
WednesdayE 16 km/h5 m/s10 mph(gusts 34921)52%15hWednesday52%E 16 km/h5 m/s10 mph (gusts 34921)15h
Wednesday
E 16 km/h5 m/s10 mph(gusts 34921)52%15h
Wednesday
52%
E 16 km/h5 m/s10 mph (gusts 34921)
15h
Night
21°C69°F
Morning
30°C86°F
Afternoon
30°C86°F
Evening
29°C84°F
04:5615.4h20:21
Thursday1.3 mm0.05 inN 27 km/h7 m/s17 mph(gusts 491430)60%15hThursday60%N 27 km/h7 m/s17 mph (gusts 491430)1.3 mm0.05 in15h
Thursday
1.3 mm0.05 inN 27 km/h7 m/s17 mph(gusts 491430)60%15h
Thursday
60%
N 27 km/h7 m/s17 mph (gusts 491430)
1.3 mm0.05 in
15h
Night
25°C76°F
Morning
31°C88°F
Afternoon
31°C88°F
Evening
23°C74°F
04:5715.4h20:19
Friday5.2 mm0.20 in· heavyW 17 km/h5 m/s11 mph(gusts 361022)79%8hFriday79%W 17 km/h5 m/s11 mph (gusts 361022)5.2 mm0.20 in8h
Friday
5.2 mm0.20 in· heavyW 17 km/h5 m/s11 mph(gusts 361022)79%8h
Friday
79%
W 17 km/h5 m/s11 mph (gusts 361022)
5.2 mm0.20 in
8h
Night
16°C61°F
Morning
17°C62°F
Afternoon
17°C62°F
Evening
15°C58°F
04:5915.3h20:17
Saturday0.9 mm0.03 inNW 21 km/h6 m/s13 mph(gusts 391124)67%14hSaturday67%NW 21 km/h6 m/s13 mph (gusts 391124)0.9 mm0.03 in14h
Saturday
0.9 mm0.03 inNW 21 km/h6 m/s13 mph(gusts 391124)67%14h
Saturday
67%
NW 21 km/h6 m/s13 mph (gusts 391124)
0.9 mm0.03 in
14h
Night
14°C56°F
Morning
21°C69°F
Afternoon
21°C69°F
Evening
14°C57°F
05:0115.2h20:15
Sunrise
04:37
Civil Dawn 04:07
Sunset
20:41
Civil Dusk 21:11
Today vs. seasonal normal
-6.9°C-12.3°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 17°C with Drizzle. The high is 17°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 Monday at 38°C, while the coolest night is Tuesday at 10°C. 7 day(s) have precipitation expected.
What time is sunrise and sunset in Siwiki?
In Siwiki, sunrise is at 04:37 and sunset is at 20:41. Day length is approximately 16h 4m.
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 PM
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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