10-day forecast for Boulder, CO: 28° to 74°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Wednesday, October 21
60° · 0.69 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1460° / 42°0.69
Morning57°feels 57°
Afternoon43°feels 40°
Evening42°feels 42°
Overnight59°feels 59°
60 °
Boulder, Wednesday, 14 October
Rain. High 60°, low 42°.
Pressure30.09 inHg
Wind5.6 mph NE
Humidity94%
Visibility2.6 mi
Dew point43°
Thu, 1550° / 32°0.34
Morning41°feels 41°
Afternoon49°feels 44°
Evening39°feels 39°
Overnight41°feels 41°
50 °
Boulder, Thursday, 15 October
Rain. High 50°, low 32°.
Pressure30.47 inHg
Wind7.5 mph NE
Humidity82%
Visibility6.2 mi
Dew point40°
Fri, 1657° / 28°0
Morning37°feels 37°
Afternoon56°feels 53°
Evening45°feels 45°
Overnight30°feels 25°
57 °
Boulder, Friday, 16 October
Clear. High 57°, low 28°.
Pressure30.62 inHg
Wind5.4 mph E
Humidity38%
Visibility6.2 mi
Dew point20°
Sat, 1764° / 30°0
Morning39°feels 38°
Afternoon61°feels 58°
Evening54°feels 52°
Overnight38°feels 37°
64 °
Boulder, Saturday, 17 October
Overcast. High 64°, low 30°.
Pressure30.09 inHg
Wind3.6 mph E
Humidity30%
Visibility—
Dew point26°
Sun, 1868° / 39°0
Morning47°feels 44°
Afternoon64°feels 61°
Evening56°feels 53°
Overnight50°feels 47°
68 °
Boulder, Sunday, 18 October
Mostly clear. High 68°, low 39°.
Pressure29.94 inHg
Wind9.2 mph W
Humidity26%
Visibility—
Dew point26°
Mon, 1969° / 49°0
Morning54°feels 51°
Afternoon66°feels 64°
Evening59°feels 56°
Overnight54°feels 50°
69 °
Boulder, Monday, 19 October
Clear. High 69°, low 49°.
Pressure29.88 inHg
Wind9.1 mph W
Humidity23%
Visibility—
Dew point26°
Tue, 2070° / 49°0
Morning55°feels 52°
Afternoon66°feels 64°
Evening58°feels 55°
Overnight54°feels 51°
70 °
Boulder, Tuesday, 20 October
Clear. High 70°, low 49°.
Pressure29.71 inHg
Wind8.1 mph W
Humidity23%
Visibility—
Dew point26°
Wed, 2174° / 48°0
Morning57°feels 54°
Afternoon70°feels 68°
Evening57°feels 55°
Overnight49°feels 48°
74 °
Boulder, Wednesday, 21 October
Clear. High 74°, low 48°.
Pressure29.38 inHg
Wind16.3 mph S
Humidity26%
Visibility—
Dew point33°
Thu, 2253° / 42°0.11
Morning46°feels 43°
Afternoon51°feels 47°
Evening45°feels 42°
Overnight42°feels 38°
53 °
Boulder, Thursday, 22 October
Light rain. High 53°, low 42°.
Pressure29.77 inHg
Wind21 mph NW
Humidity33%
Visibility—
Dew point22°
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.