See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:15
Sunset
Moon
Waxing Crescent
10:47
Moonrise
20:18
Moonset
Daily Forecast
Monday
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Marshalltown.
Resources
UV Index
Humidity
Weather in Marshalltown tomorrow, September 15, 2026
Expect a muted, overcast feel in Marshalltown on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. The morning sky stays heavily clouded, with cover near 100% around 05:00. Grey conditions set the early tone before any later change.
Temperatures climb from an overnight low near 16°C toward a daytime high of about 22°C. Moisture in the air spans 63%-96%, with the highest values around 04:00. Expect gentle winds, highest near 01:00 at 9.0 km/h.
Through the afternoon cloud remains the main feature, with cover near 94% around 14:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 14.3 km, briefly nearer 8.9 km. Expect sunrise at 06:58, sunset at 19:14, and 12 hours 16 minutes of sunlight today overall.
In short, cloud leads the story in Marshalltown on September 15, 2026; expect limited sun and a peak around 22°C.
Frequently asked questions about weather in Marshalltown
How warm does it get in Marshalltown?
The warmest month in Marshalltown is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Marshalltown?
The coldest month in Marshalltown is January, with average low temperatures of -9°C. The average temperature during this period is around -6°C.
What is the wettest time of year in Marshalltown?
The wettest month in Marshalltown is May, with an average of 131mm of precipitation.
What is the driest time of year in Marshalltown?
The driest month in Marshalltown is February, with an average of 35mm of precipitation.
