Arapahoe County, CO Weather Forecast
County weather hub
Partly Sunny then Chance Showers And Thunderstorms
Compare major city weather across Arapahoe County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. South southeast wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Arapahoe County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 9 of 9 mapped cities in Arapahoe County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- May 28 to Jun 1, 2026
- Latest sync
- May 26, 2026 12:16 PM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Arapahoe County
Friday looks like the warmest upcoming period in Arapahoe County at 81 degrees F.
Monday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Friday Night at about 8 to 18 mph S.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- May 26, 2026 12:16 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- BOU
- Radar station
- KFTG
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 53. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
A chance of showers and thunderstorms after noon. Partly sunny, with a high near 76.
Showers and thunderstorms likely. Mostly cloudy, with a low around 51.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 74.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 71.
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Partly Sunny then Chance Showers And Thunderstorms
|
77°F |
9 to 14 mph
SSE
|
|
Thursday Night
May 28
|
Chance Showers And Thunderstorms then Partly Cloudy
|
53°F |
16 mph
SSE
|
|
Friday
May 29
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
81°F |
14 to 17 mph
SSE
|
|
Friday Night
May 29
|
Chance Showers And Thunderstorms
|
53°F |
8 to 18 mph
S
|
|
Saturday
May 30
|
Partly Sunny then Chance Showers And Thunderstorms
|
76°F |
8 mph
NE
|
|
Saturday Night
May 30
|
Showers And Thunderstorms Likely
|
51°F |
7 to 10 mph
SSE
|
|
Sunday
May 31
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
74°F |
7 to 10 mph
SSE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms
|
51°F |
10 mph
SSE
|
|
Monday
Jun 1
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
71°F |
10 mph
SSE
|
|
Monday Night
Jun 1
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
50°F |
10 mph
S
|
Major City Forecasts
Live forecast snapshots for major cities across Arapahoe County.
Coverage
Forecast coverage currently spans 9 of 9 mapped cities in Arapahoe County.
Largest mapped city population in this region: 110,156.
