10-day forecast for Boulder, CO: 61° to 97°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Saturday, August 8
78° · 0.68 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0994° / 65°0.07
Morning79°feels 77°
Afternoon89°feels 85°
Evening76°feels 76°
Overnight75°feels 74°
94 °
Boulder, Sunday, 9 August
Light rain. High 94°, low 65°.
Pressure29.77 inHg
Wind2.8 mph NW
Humidity11%
Visibility6.2 mi
Dew point32°
Mon, 1096° / 61°0.02
Morning77°feels 76°
Afternoon94°feels 90°
Evening75°feels 74°
Overnight68°feels 68°
96 °
Boulder, Monday, 10 August
Light rain. High 96°, low 61°.
Pressure29.83 inHg
Wind13 mph SE
Humidity16%
Visibility6.2 mi
Dew point40°
Tue, 1197° / 69°0.04
Morning80°feels 79°
Afternoon97°feels 92°
Evening71°feels 71°
Overnight71°feels 70°
97 °
Boulder, Tuesday, 11 August
Light rain. High 97°, low 69°.
Pressure29.80 inHg
Wind14 mph E
Humidity13%
Visibility6.2 mi
Dew point37°
Wed, 1295° / 66°0
Morning77°feels 76°
Afternoon96°feels 91°
Evening83°feels 81°
Overnight71°feels 69°
95 °
Boulder, Wednesday, 12 August
Light rain. High 95°, low 66°.
Pressure29.77 inHg
Wind7.2 mph E
Humidity19%
Visibility6.2 mi
Dew point41°
Thu, 1384° / 61°0.32
Morning66°feels 65°
Afternoon77°feels 77°
Evening66°feels 67°
Overnight67°feels 67°
84 °
Boulder, Thursday, 13 August
Rain. High 84°, low 61°.
Pressure29.94 inHg
Wind8.7 mph NE
Humidity44%
Visibility—
Dew point53°
Fri, 1478° / 61°0.68
Morning66°feels 66°
Afternoon76°feels 76°
Evening66°feels 67°
Overnight65°feels 65°
78 °
Boulder, Friday, 14 August
Rain. High 78°, low 61°.
Pressure29.97 inHg
Wind14 mph SW
Humidity50%
Visibility—
Dew point56°
Sat, 1584° / 64°0.04
Morning70°feels 69°
Afternoon83°feels 82°
Evening76°feels 76°
Overnight70°feels 70°
84 °
Boulder, Saturday, 15 August
Light rain. High 84°, low 64°.
Pressure30.00 inHg
Wind9.5 mph SE
Humidity36%
Visibility—
Dew point52°
Sun, 1691° / 68°0.03
Morning74°feels 73°
Afternoon90°feels 87°
Evening81°feels 80°
Overnight71°feels 71°
91 °
Boulder, Sunday, 16 August
Light rain. High 91°, low 68°.
Pressure30.00 inHg
Wind15 mph S
Humidity23%
Visibility—
Dew point45°
Mon, 1790° / 68°0.09
Morning73°feels 72°
Afternoon85°feels 83°
Evening72°feels 71°
Overnight69°feels 68°
90 °
Boulder, Monday, 17 August
Light rain. High 90°, low 68°.
Pressure30.03 inHg
Wind15.2 mph SW
Humidity26%
Visibility—
Dew point46°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Boulder, CO around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.