10-day forecast for Boulder, CO: 27° to 79°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Monday, October 12
43° · 1.48 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1365° / 55°0.23
Morning56°feels 56°
Afternoon63°feels 62°
Evening60°feels 60°
Overnight62°feels 61°
65 °
Boulder, Tuesday, 13 October
Light rain. High 65°, low 55°.
Pressure29.88 inHg
Wind4.2 mph E
Humidity72%
Visibility6.2 mi
Dew point46°
Wed, 1461° / 43°0.61
Morning45°feels 42°
Afternoon45°feels 42°
Evening44°feels 42°
Overnight59°feels 59°
61 °
Boulder, Wednesday, 14 October
Rain. High 61°, low 43°.
Pressure30.12 inHg
Wind5.3 mph NE
Humidity95%
Visibility4.2 mi
Dew point44°
Thu, 1543° / 38°1.48
Morning38°feels 38°
Afternoon40°feels 35°
Evening39°feels 37°
Overnight43°feels 41°
43 °
Boulder, Thursday, 15 October
Rain. High 43°, low 38°.
Pressure30.47 inHg
Wind10.2 mph N
Humidity94%
Visibility1.3 mi
Dew point38°
Fri, 1650° / 27°0.01
Morning34°feels 34°
Afternoon48°feels 46°
Evening43°feels 43°
Overnight38°feels 38°
50 °
Boulder, Friday, 16 October
Light rain. High 50°, low 27°.
Pressure30.71 inHg
Wind4.6 mph E
Humidity56%
Visibility6.2 mi
Dew point26°
Sat, 1756° / 28°0
Morning35°feels 34°
Afternoon52°feels 49°
Evening49°feels 49°
Overnight40°feels 40°
56 °
Boulder, Saturday, 17 October
Overcast. High 56°, low 28°.
Pressure30.15 inHg
Wind2.4 mph W
Humidity44%
Visibility—
Dew point28°
Sun, 1870° / 43°0
Morning52°feels 48°
Afternoon67°feels 65°
Evening59°feels 57°
Overnight54°feels 51°
70 °
Boulder, Sunday, 18 October
Overcast. High 70°, low 43°.
Pressure29.85 inHg
Wind8.9 mph W
Humidity18%
Visibility—
Dew point21°
Mon, 1965° / 50°0
Morning53°feels 50°
Afternoon61°feels 58°
Evening56°feels 54°
Overnight52°feels 49°
65 °
Boulder, Monday, 19 October
Clear. High 65°, low 50°.
Pressure30.06 inHg
Wind9.4 mph W
Humidity32%
Visibility—
Dew point30°
Tue, 2068° / 47°0
Morning52°feels 50°
Afternoon64°feels 61°
Evening59°feels 56°
Overnight54°feels 51°
68 °
Boulder, Tuesday, 20 October
Clear. High 68°, low 47°.
Pressure29.83 inHg
Wind8 mph W
Humidity33%
Visibility—
Dew point33°
Wed, 2175° / 51°0
Morning56°feels 53°
Afternoon67°feels 64°
Evening64°feels 62°
Overnight56°feels 53°
75 °
Boulder, Wednesday, 21 October
Overcast. High 75°, low 51°.
Pressure29.65 inHg
Wind18.5 mph S
Humidity30%
Visibility—
Dew point32°
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.