Arapahoe County, CO Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Arapahoe County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny. High near 64, with temperatures falling to around 62 in the afternoon. East northeast wind 6 to 12 mph, with gusts as high as 20 mph.
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
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 2:00 PM MDT
- Forecast office
- BOU
- Source
- NOAA / NWS
Daily Outlook
This Week in Arapahoe County
Saturday looks like the warmest upcoming period in Arapahoe County at 73 degrees F.
Thursday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Thursday at about 13 to 24 mph N.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 2:00 PM MDT
- Coverage
- 8 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 slight chance of rain showers. Mostly cloudy. Low around 42, with temperatures rising to around 45 overnight. East northeast wind 8 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A chance of rain showers. Cloudy, with a high near 45. East northeast wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Rain showers. Cloudy, with a low around 39. North northeast wind 7 to 12 mph, with gusts as high as 17 mph. Chance of precipitation is 90%.
Rain showers likely. Mostly cloudy, with a high near 51. North wind 13 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
A chance of rain showers before 3am, then a slight chance of rain and snow showers. Partly cloudy, with a low around 32. Chance of precipitation is 30%.
Sunny, with a high near 58.
Mostly clear, with a low around 36.
Sunny, with a high near 73.
Mostly clear, with a low around 45.
Sunny, with a high near 71.
Partly cloudy, with a low around 46.
Sunny, with a high near 73.
Mostly clear, with a low around 49.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Partly Sunny
|
64°F |
6 to 12 mph
ENE
|
|
Tonight
Oct 13
|
Slight Chance Rain Showers
|
42°F |
8 to 12 mph
ENE
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
45°F |
12 mph
ENE
|
|
Wednesday Night
Oct 14
|
Rain Showers
|
39°F |
7 to 12 mph
NNE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
51°F |
13 to 24 mph
N
|
|
Thursday Night
Oct 15
|
Chance Rain Showers then Slight Chance Rain And Snow Showers
|
32°F |
6 to 16 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
58°F |
5 to 9 mph
SSW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
36°F |
10 to 20 mph
S
|
|
Saturday
Oct 17
|
Sunny
|
73°F |
3 to 14 mph
S
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
3 to 9 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
71°F |
6 mph
N
|
|
Sunday Night
Oct 18
|
Partly Cloudy
|
46°F |
6 mph
SSE
|
|
Monday
Oct 19
|
Sunny
|
73°F |
5 to 9 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
49°F |
10 to 16 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.
