10-day forecast for Boulder, CO: 29° to 71°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Wednesday, October 21
52° · 0.71 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1558° / 39°0.09
Morning46°feels 46°
Afternoon55°feels 52°
Evening45°feels 45°
Overnight44°feels 44°
58 °
Boulder, Thursday, 15 October
Light rain. High 58°, low 39°.
Pressure30.45 inHg
Wind12.2 mph NE
Humidity42%
Visibility6.2 mi
Dew point26°
Fri, 1653° / 35°0
Morning39°feels 39°
Afternoon52°feels 49°
Evening44°feels 44°
Overnight39°feels 39°
53 °
Boulder, Friday, 16 October
Clear. High 53°, low 35°.
Pressure30.68 inHg
Wind5.2 mph SE
Humidity50%
Visibility6.2 mi
Dew point27°
Sat, 1769° / 29°0
Morning34°feels 31°
Afternoon69°feels 66°
Evening44°feels 43°
Overnight32°feels 32°
69 °
Boulder, Saturday, 17 October
Clear. High 69°, low 29°.
Pressure30.21 inHg
Wind4.4 mph E
Humidity28%
Visibility6.2 mi
Dew point28°
Sun, 1866° / 35°0
Morning45°feels 45°
Afternoon66°feels 63°
Evening52°feels 49°
Overnight38°feels 35°
66 °
Boulder, Sunday, 18 October
Overcast. High 66°, low 35°.
Pressure30.06 inHg
Wind4.1 mph E
Humidity27%
Visibility6.2 mi
Dew point26°
Mon, 1965° / 38°0
Morning44°feels 44°
Afternoon61°feels 58°
Evening57°feels 55°
Overnight47°feels 47°
65 °
Boulder, Monday, 19 October
Clear. High 65°, low 38°.
Pressure30.06 inHg
Wind4.2 mph E
Humidity31%
Visibility—
Dew point28°
Tue, 2069° / 39°0
Morning46°feels 46°
Afternoon64°feels 61°
Evening58°feels 55°
Overnight52°feels 50°
69 °
Boulder, Tuesday, 20 October
Mostly clear. High 69°, low 39°.
Pressure29.94 inHg
Wind6.3 mph W
Humidity33%
Visibility—
Dew point31°
Wed, 2171° / 49°0
Morning55°feels 52°
Afternoon67°feels 65°
Evening62°feels 60°
Overnight55°feels 52°
71 °
Boulder, Wednesday, 21 October
Clear. High 71°, low 49°.
Pressure29.77 inHg
Wind8.2 mph W
Humidity29%
Visibility—
Dew point32°
Thu, 2263° / 46°0.16
Morning53°feels 50°
Afternoon60°feels 59°
Evening49°feels 48°
Overnight47°feels 43°
63 °
Boulder, Thursday, 22 October
Light rain. High 63°, low 46°.
Pressure29.62 inHg
Wind8.4 mph W
Humidity38%
Visibility—
Dew point35°
Fri, 2357° / 40°0
Morning46°feels 41°
Afternoon55°feels 52°
Evening46°feels 42°
Overnight40°feels 36°
57 °
Boulder, Friday, 23 October
Clear. High 57°, low 40°.
Pressure29.85 inHg
Wind26.6 mph W
Humidity25%
Visibility—
Dew point20°
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.