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
06:54
Sunrise
19:13
Sunset
Moon
Waxing Crescent
12:18
Moonrise
20:27
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Des Moines.
UV Index
Humidity
Weather in Des Moines today, September 15, 2026
Des Moines is set for a fine, sunny day on September 15, 2026, with only limited interruptions to the clear sky. The early hours look particularly favourable for being outside. Expect a grey start, with morning cloud around 100% by 06:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 14°C and cools toward 12°C. The air stays humid, with relative humidity between 83% and 96% and the peak around 06:00. A lighter breeze peaks around 17:00 near 5.7 km/h.
Expect a more open afternoon, with limited cloud around 44% by 12:00. Residual damp risk should be lower than earlier. Visibility stays generally good near 15.7 km on average, though it can drop toward 13.3 km in thicker cloud or showers. The sun rises at 06:54 and sets at 19:13, for a total of 12 hours 19 minutes of sunlight today.
Overall, Des Moines on September 15, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 14°C.
Frequently asked questions about weather in Des Moines
How warm does it get in Des Moines?
The warmest month in Des Moines is August, with average high temperatures of 25°C. The average temperature during this period is around 19°C.
How cold does it get in Des Moines?
The coldest month in Des Moines is February, with average low temperatures of 3°C. The average temperature during this period is around 5°C.
What is the wettest time of year in Des Moines?
The wettest month in Des Moines is December, with an average of 204mm of precipitation.
What is the driest time of year in Des Moines?
The driest month in Des Moines is July, with an average of 17mm of precipitation.
Explore more weather forecasts
- SeaTac, Washington
- New York City, New York
- Kent, Washington
- Los Angeles, California
- Burien, Washington
- Brooklyn, New York
- Lakeland North, Washington
- Chicago, Illinois
- Federal Way, Washington
- Houston, Texas
- Tukwila, Washington
- Queens, New York
- East Hill-Meridian, Washington
- Phoenix, Arizona
- Vashon, Washington
- Philadelphia, Pennsylvania
