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14°
Overcast
Feels Like: 14°
Min: 10°
Max: 19°
The next few hours will be mostly clear, with tomorrow reaching 20°C and dropping to 14°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
06:07
Sunrise
18:10
Sunset
Moon
Waxing Gibbous
16:55
Moonrise
22:24
Moonset
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View stargazing scoreWeather in Kostroma tomorrow, September 21, 2026
Expect a muted, overcast feel in Kostroma on September 21, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Cloud leads the morning, peaking close to 100% near 07:00. Sunshine has little room until later in the day.
The temperature range runs from about 12°C up to 20°C. The air stays humid, with relative humidity between 64% and 88% and the peak around 06:00. A lighter breeze peaks around 16:00 near 3.9 km/h.
Through the afternoon cloud remains the main feature, with cover near 98% around 12:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 30.8 km, briefly nearer 19.2 km. Daylight runs from 06:09 to 18:07, lasting 11 hours 57 minutes of sunlight today.
Taken together, overcast skies in Kostroma on September 21, 2026 favour indoor or covered options, with temperatures near 20°C.
Frequently asked questions about weather in Kostroma
How warm does it get in Kostroma?
The warmest month in Kostroma is July, with average high temperatures of 24°C. The average temperature during this period is around 19°C.
How cold does it get in Kostroma?
The coldest month in Kostroma is January, with average low temperatures of -11°C. The average temperature during this period is around -8°C.
What is the wettest time of year in Kostroma?
The wettest month in Kostroma is July, with an average of 79mm of precipitation.
What is the driest time of year in Kostroma?
The driest month in Kostroma is March, with an average of 40mm of precipitation.
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