10-day forecast for Boulder, CO: 28° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Sunday, October 11
49° · 0.62 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1279° / 58°0
Morning67°feels 66°
Afternoon78°feels 76°
Evening71°feels 70°
Overnight62°feels 61°
79 °
Boulder, Monday, 12 October
Clear. High 79°, low 58°.
Pressure29.68 inHg
Wind5.2 mph NE
Humidity24%
Visibility6.2 mi
Dew point34°
Tue, 1363° / 49°0.12
Morning49°feels 49°
Afternoon60°feels 58°
Evening54°feels 53°
Overnight60°feels 60°
63 °
Boulder, Tuesday, 13 October
Light rain. High 63°, low 49°.
Pressure29.91 inHg
Wind3.2 mph NE
Humidity68%
Visibility6.2 mi
Dew point46°
Wed, 1449° / 43°0.62
Morning45°feels 43°
Afternoon45°feels 42°
Evening44°feels 42°
Overnight48°feels 45°
49 °
Boulder, Wednesday, 14 October
Rain. High 49°, low 43°.
Pressure30.03 inHg
Wind6.6 mph NE
Humidity94%
Visibility2.3 mi
Dew point44°
Thu, 1543° / 39°0.25
Morning40°feels 40°
Afternoon42°feels 37°
Evening42°feels 39°
Overnight42°feels 42°
43 °
Boulder, Thursday, 15 October
Light rain. High 43°, low 39°.
Pressure30.42 inHg
Wind5.9 mph N
Humidity94%
Visibility3.8 mi
Dew point41°
Fri, 1650° / 28°0
Morning33°feels 32°
Afternoon45°feels 43°
Evening44°feels 44°
Overnight37°feels 37°
50 °
Boulder, Friday, 16 October
Clear. High 50°, low 28°.
Pressure30.68 inHg
Wind5.6 mph SE
Humidity53%
Visibility—
Dew point27°
Sat, 1771° / 33°0
Morning42°feels 39°
Afternoon65°feels 62°
Evening59°feels 57°
Overnight50°feels 47°
71 °
Boulder, Saturday, 17 October
Clear. High 71°, low 33°.
Pressure30.09 inHg
Wind9.4 mph W
Humidity29%
Visibility—
Dew point28°
Sun, 1871° / 49°0
Morning55°feels 51°
Afternoon67°feels 65°
Evening58°feels 56°
Overnight53°feels 50°
71 °
Boulder, Sunday, 18 October
Clear. High 71°, low 49°.
Pressure29.97 inHg
Wind9.6 mph W
Humidity19%
Visibility—
Dew point22°
Mon, 1971° / 51°0
Morning56°feels 53°
Afternoon67°feels 65°
Evening59°feels 57°
Overnight55°feels 51°
71 °
Boulder, Monday, 19 October
Clear. High 71°, low 51°.
Pressure30.00 inHg
Wind8.5 mph W
Humidity22%
Visibility—
Dew point26°
Tue, 2074° / 50°0
Morning56°feels 53°
Afternoon71°feels 69°
Evening64°feels 62°
Overnight56°feels 54°
74 °
Boulder, Tuesday, 20 October
Clear. High 74°, low 50°.
Pressure29.71 inHg
Wind13.5 mph W
Humidity18%
Visibility—
Dew point24°
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.