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
07:01
Sunrise
19:14
Sunset
Moon
Waxing Crescent
13:09
Moonrise
21:14
Moonset
Daily Forecast
Wednesday
Today
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Air Quality Data Available
Upgrade to access real-time air quality data for Arapahoe.
Resources
UV Index
Humidity
Weather in Arapahoe tomorrow, September 17, 2026
Arapahoe stays under cloudy skies on September 17, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open. Expect a grey start, with morning cloud around 100% by 01:00. Outdoor plans early on should not rely on bright skies.
Expect highs of 23°C and cooler readings close to 13°C. Moisture in the air spans 42%-69%, with the highest values around 03:00. Expect gentle winds, highest near 00:00 at 6.6 km/h.
Through the afternoon cloud remains the main feature, with cover near 93% around 14:00. Bright spells should stay limited even as the day wears on. Visibility stays near 16.1 km. The sun rises at 07:02 and sets at 19:12, for a total of 12 hours 10 minutes of sunlight today.
Overall, Arapahoe on September 17, 2026 stays grey and muted, so outdoor plans may want a flexible backup even with a high near 23°C.
Frequently asked questions about weather in Arapahoe
How warm does it get in Arapahoe?
The warmest month in Arapahoe is July, with average high temperatures of 31°C. The average temperature during this period is around 23°C.
How cold does it get in Arapahoe?
The coldest month in Arapahoe is January, with average low temperatures of -12°C. The average temperature during this period is around -7°C.
What is the wettest time of year in Arapahoe?
The wettest month in Arapahoe is May, with an average of 71mm of precipitation.
What is the driest time of year in Arapahoe?
The driest month in Arapahoe is December, with an average of 16mm of precipitation.
Explore more weather forecasts
- Riverton, Wyoming
- New York City, New York
- Rock Springs, Wyoming
- Los Angeles, California
- Casper, Wyoming
- Brooklyn, New York
- Green River, Wyoming
- Chicago, Illinois
- Jackson, Wyoming
- Houston, Texas
- Sheridan, Wyoming
- Queens, New York
- Evanston, Wyoming
- Phoenix, Arizona
- Gillette, Wyoming
- Philadelphia, Pennsylvania