Weather Tomorrow

Weather Tomorrow for ZIP 80304

Boulder, CO · View full Boulder forecast

Sunday, September 13, 2026

90°Low 61°FColdHot
Clear

Precip chance

36%

Wind

1-9 mph

Humidity

40%

Feels like

88–63°F

Rain forecast

Low chance of precipitation. Highest risk around 8 PM (36%).

Data source: National Weather Service (NOAA) · Updated just now

Tomorrow by Hour

61°Temperature trend90°
TimeTempConditionRain %Wind
6 AM☽66°FMostly Clear
4%
5 mph WSW
7 AM☽65°FMostly Clear
4%
6 mph WSW
8 AM☽64°FMostly Clear
4%
6 mph W
9 AM☽63°FMostly Clear
1%
5 mph W
10 AM☽62°FMostly Clear
1%
5 mph W
11 AM☽62°FMostly Clear
1%
3 mph W
12 PM61°FSunny
1%
3 mph W
1 PM61°FSunny
1%
3 mph WSW
2 PM66°FSunny
1%
3 mph WSW
3 PM70°FSunny
0%
1 mph SSW
4 PM77°FSunny
0%
2 mph S
5 PM82°FSunny
0%
3 mph SE
6 PM86°FSlight Chance Rain Showers
20%
5 mph SE
7 PM88°FSlight Chance Rain Showers
20%
6 mph SE
8 PM89°FChance Showers And Thunderstorms
36%
7 mph SE
9 PM90°FChance Showers And Thunderstorms
36%
7 mph SSE
10 PM88°FChance Showers And Thunderstorms
36%
7 mph SW
11 PM86°FChance Showers And Thunderstorms
36%
5 mph W
12 AM☽85°FChance Showers And Thunderstorms
34%
5 mph W
1 AM☽80°FChance Showers And Thunderstorms
34%
6 mph W
2 AM☽76°FChance Showers And Thunderstorms
34%
8 mph WNW
3 AM☽73°FChance Rain Showers
34%
9 mph WNW
4 AM☽71°FChance Rain Showers
34%
8 mph WNW
5 AM☽71°FChance Rain Showers
34%
7 mph WNW

Precipitation Timeline

100%
50%
36%
6a12p6p12a
<20%20-50%50-70%>70%

What to Wear Tomorrow

Hot — wear breathable, light clothing

Clothing

  • • Light t-shirt or tank top
  • • Shorts or light skirt
  • • Hat for sun protection

Footwear

Sandals or breathable sneakers

Accessories

  • • Sunglasses
  • • Sunscreen

Conditions

High: 90°F

Low: 61°F

Wind: 1-9 mph

Rain: 36%

Big temperature swing (61°F to 90°F) — dress in removable layers.

Best Time to Be Outside Tomorrow

2 PM – 3 PM98

Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)

6a12p6p12a