See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
8°
Partly Cloudy
Feels Like: 5°
Min: 7°
Max: 12°
The next few hours will be misty, with today reaching 12°C and dropping to 5°C. The coming days will be drizzle
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:51
Sunrise
18:48
Sunset
Moon
Waxing Gibbous
19:16
Moonrise
23:12
Moonset
Daily Forecast
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Kostomuksha.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Kostomuksha.
View stargazing scoreWeather in Kostomuksha today, September 21, 2026
Kostomuksha may turn murky on September 21, 2026, with fog or mist reducing clarity at times. Early travel in particular may need extra care. Expect a grey start, with morning cloud around 100% by 06:00. Outdoor plans early on should not rely on bright skies.
The temperature range runs from about 7°C up to 12°C. The air stays humid, with relative humidity between 57% and 98% and the peak around 06:00. Winds stay light, near 3.3 km/h by 00:00, so the day feels still more than breezy.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 17:00. Outdoor plans may still want a flexible backup. Expect visibility near 20.7 km, with poorer spells close to 1.1 km. Expect sunrise at 06:51, sunset at 18:48, and 11 hours 56 minutes of sunlight today overall.
The practical takeaway for Kostomuksha on September 21, 2026 is reduced clarity at times, so plan journeys with care near 12°C.
Frequently asked questions about weather in Kostomuksha
How warm does it get in Kostomuksha?
The warmest month in Kostomuksha is July, with average high temperatures of 20°C. The average temperature during this period is around 16°C.
How cold does it get in Kostomuksha?
The coldest month in Kostomuksha is January, with average low temperatures of -13°C. The average temperature during this period is around -10°C.
What is the wettest time of year in Kostomuksha?
The wettest month in Kostomuksha is July, with an average of 93mm of precipitation.
What is the driest time of year in Kostomuksha?
The driest month in Kostomuksha is March, with an average of 37mm of precipitation.
Explore more weather forecasts
- Nadvoitsy, Respublika Kareliya
- Moscow, Moskva
- Kem’, Respublika Kareliya
- Saint Petersburg, Sankt-Peterburg
- Belomorsk, Respublika Kareliya
- Novosibirsk, Novosibirsk Oblast
- Segezha, Respublika Kareliya
- Yekaterinburg, Sverdlovsk Oblast
- Medvezh’yegorsk, Respublika Kareliya
- Nizhniy Novgorod, Nizhny Novgorod Oblast
- Suoyarvi, Respublika Kareliya
- Kazan, Tatarstan
- Sortavala, Respublika Kareliya
- Chelyabinsk, Chelyabinsk Oblast
- Kondopoga, Respublika Kareliya
- Omsk, Omsk Oblast