10-day forecast for Boulder, CO: 26° to 69°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Tuesday, October 20
55° · 0.93 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1557° / 30°0.59
Morning47°feels 47°
Afternoon52°feels 48°
Evening37°feels 34°
Overnight49°feels 49°
57 °
Boulder, Thursday, 15 October
Rain. High 57°, low 30°.
Pressure30.47 inHg
Wind6.2 mph NE
Humidity84%
Visibility4.1 mi
Dew point40°
Fri, 1652° / 26°0
Morning29°feels 29°
Afternoon51°feels 48°
Evening42°feels 42°
Overnight30°feels 30°
52 °
Boulder, Friday, 16 October
Clear. High 52°, low 26°.
Pressure30.68 inHg
Wind5.1 mph E
Humidity50%
Visibility6.2 mi
Dew point26°
Sat, 1767° / 29°0
Morning32°feels 32°
Afternoon65°feels 63°
Evening45°feels 45°
Overnight31°feels 31°
67 °
Boulder, Saturday, 17 October
Clear. High 67°, low 29°.
Pressure30.21 inHg
Wind4.1 mph E
Humidity31%
Visibility6.2 mi
Dew point30°
Sun, 1867° / 34°0
Morning43°feels 40°
Afternoon65°feels 62°
Evening57°feels 55°
Overnight35°feels 32°
67 °
Boulder, Sunday, 18 October
Overcast. High 67°, low 34°.
Pressure30.03 inHg
Wind4.9 mph SE
Humidity26%
Visibility—
Dew point26°
Mon, 1966° / 44°0
Morning49°feels 48°
Afternoon62°feels 60°
Evening57°feels 54°
Overnight51°feels 49°
66 °
Boulder, Monday, 19 October
Partly cloudy. High 66°, low 44°.
Pressure29.91 inHg
Wind6.8 mph W
Humidity33%
Visibility—
Dew point31°
Tue, 2069° / 47°0
Morning53°feels 50°
Afternoon66°feels 64°
Evening58°feels 55°
Overnight53°feels 50°
69 °
Boulder, Tuesday, 20 October
Clear. High 69°, low 47°.
Pressure30.00 inHg
Wind7.5 mph W
Humidity25%
Visibility—
Dew point28°
Wed, 2162° / 52°0
Morning55°feels 52°
Afternoon61°feels 58°
Evening55°feels 52°
Overnight52°feels 49°
62 °
Boulder, Wednesday, 21 October
Overcast. High 62°, low 52°.
Pressure30.09 inHg
Wind8.2 mph W
Humidity30%
Visibility—
Dew point29°
Thu, 2264° / 44°0
Morning48°feels 46°
Afternoon58°feels 56°
Evening56°feels 54°
Overnight52°feels 50°
64 °
Boulder, Thursday, 22 October
Partly cloudy. High 64°, low 44°.
Pressure30.03 inHg
Wind5.4 mph E
Humidity46%
Visibility—
Dew point36°
Fri, 2362° / 50°0.83
Morning53°feels 52°
Afternoon55°feels 54°
Evening55°feels 53°
Overnight54°feels 53°
62 °
Boulder, Friday, 23 October
Rain. High 62°, low 50°.
Pressure29.80 inHg
Wind11.9 mph N
Humidity89%
Visibility—
Dew point51°
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.