See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
11°
Mostly Cloudy
Feels Like: 13°
Min: 10°
Max: 17°
The next few hours will be overcast, with today reaching 17°C and dropping to 10°C. The coming days will be partly cloudy throughout the day.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
07:12
Sunrise
19:10
Sunset
Moon
Waxing Gibbous
17:35
Moonrise
01:17
Moonset
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View stargazing scoreWeather in Biysk today, September 21, 2026
Biysk starts September 21, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans. Expect a grey start, with morning cloud around 95% by 11:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 10°C toward a daytime high of about 17°C. Expect humidity between 56% and 96%, most humid near 19:00. A lighter breeze peaks around 16:00 near 3.5 km/h.
The second half of the day still looks unsettled, with rain probability around 84% by 17:00. Dense cloud near 96% at 13:00 keeps the feel grey. Visibility stays near 16.1 km. Daylight runs from 07:12 to 19:10, lasting 11 hours 57 minutes of sunlight today.
Overall, Biysk on September 21, 2026 suits indoor plans or waterproof kit, especially while rain chances stay near 84% and the high sits around 17°C.
Frequently asked questions about weather in Biysk
How warm does it get in Biysk?
The warmest month in Biysk is July, with average high temperatures of 27°C. The average temperature during this period is around 21°C.
How cold does it get in Biysk?
The coldest month in Biysk is January, with average low temperatures of -19°C. The average temperature during this period is around -15°C.
What is the wettest time of year in Biysk?
The wettest month in Biysk is July, with an average of 68mm of precipitation.
What is the driest time of year in Biysk?
The driest month in Biysk is February, with an average of 24mm of precipitation.
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