See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
33°
Mostly Clear
Feels Like: 38°
Min: 23°
Max: 34°
The next few hours will be clear, with today reaching 34°C and dropping to 21°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
06:52
Sunrise
19:07
Sunset
Moon
Waxing Crescent
11:41
Moonrise
20:43
Moonset
Daily Forecast
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Wednesday
Thursday
Friday
Saturday
Sunday
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Thursday
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Weather in Hannibal today, September 15, 2026
Hannibal starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Temperatures climb from an overnight low near 23°C toward a daytime high of about 34°C. Relative humidity sits between 52% and 84%, reaching its peak around 23:00. Expect gentle winds, highest near 23:00 at 6.7 km/h.
The afternoon keeps an overcast feel, as cloud reaches about 100% around 23:00. Outdoor plans may still want a flexible backup. Views remain open at about 16.1 km. The sun rises at 06:52 and sets at 19:07, for a total of 12 hours 14 minutes of sunlight today.
The practical takeaway for Hannibal is a bright September 15, 2026, ideal for outdoor errands before temperatures ease from about 34°C.
Frequently asked questions about weather in Hannibal
How warm does it get in Hannibal?
The warmest month in Hannibal is July, with average high temperatures of 31°C. The average temperature during this period is around 26°C.
How cold does it get in Hannibal?
The coldest month in Hannibal is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Hannibal?
The wettest month in Hannibal is May, with an average of 120mm of precipitation.
What is the driest time of year in Hannibal?
The driest month in Hannibal is February, with an average of 52mm of precipitation.
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