Arapahoe County weather, town by town
23 places in Arapahoe County, Colorado, each with its own live forecast and radar, and where a station sits close enough, measured weather records.
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Measured at the NOAA stations serving these towns, daily records 1949 to 2026. Station extremes, not official state records.
Arapahoe County Weather Facts
Arapahoe County has 23 places on myweatherrock (11 census-designated places, 8 cities, 4 towns), each with its own live forecast, hourly timeline, ten day outlook and radar. The hottest day in the station records is 105°F at Denver Intl Ap on July 20, 2005. The coldest night is -32°F at Denver Lowry Afb on January 12, 1963. The wettest day brought 5.87 inches of rain at Aurora 4.1 S on September 13, 2013. The biggest single-day snow measured 34.88 inches at Denver 9.4 S on March 19, 2003. Those are station measurements from NOAA's daily records, 1949 to 2026, not official state records. By area the largest place is Aurora, about 164 square miles.
About Arapahoe County weather
The map on the Now tab shows every Arapahoe County town's current temperature from our own server, one dot per town. Tap any dot, or type a town above, for that town's full forecast.
What the weather is usually like
Across the 14 Arapahoe County towns with station normals, the warmest month is July, when the day usually reaches 88°F, and the coldest is December, when the night usually falls to 19°F. May is the wettest, with rain on about 10 days. July afternoons run from about 86°F in Brick Center to 90°F in Strasburg.
Means of the 1991 to 2020 station normals serving these towns, as published by NOAA; each town's page carries its own.
Where these numbers come from
- Current conditions and forecast: NOAA forecast grids decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
- Records: computed by myweatherrock from NOAA GHCN-Daily station records at the stations serving these towns. Measurements, not estimates.
- Warnings and alerts: the National Weather Service, passed through unchanged.
Arapahoe County weather records
Measured at the NOAA stations serving these towns, daily records 1949 to 2026. Station extremes, not official state records.
Common questions about Arapahoe County weather
- What is the hottest temperature recorded at a Arapahoe County station?
- 105°F at Denver Intl Ap on July 20, 2005, in the NOAA daily station records myweatherrock holds (1949 to 2026).
- What is the coldest temperature recorded at a Arapahoe County station?
- -32°F at Denver Lowry Afb on January 12, 1963.
- What is the most rain a Arapahoe County station has measured in one day?
- 5.87 inches at Aurora 4.1 S on September 13, 2013.
- What is the biggest one-day snowfall at a Arapahoe County station?
- 34.88 inches at Denver 9.4 S on March 19, 2003.
- How many Arapahoe County towns have a weather page here?
- 23: 11 census-designated places, 8 cities, 4 towns. Each page carries current conditions, the hourly timeline, the ten day outlook, radar, and where a station sits close enough, measured records.
- Where does the Arapahoe County forecast come from?
- NOAA forecast grids (the National Weather Service digital forecast, the National Blend of Models, HRRR and GFS) decoded on our own server, corrected against the nearest reporting station and our own radar. Open-Meteo is consulted only as a fallback when our server is silent.
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