10-day forecast for Boulder, ID: 16° to 52°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
52°
Best day: Monday, October 19
33° · 0.54 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2050° / 24°0
Morning24°feels 24°
Afternoon50°feels 48°
Evening32°feels 32°
Overnight25°feels 25°
50 °
Boulder, Tuesday, 20 October
Partly cloudy. High 50°, low 24°.
Pressure30.09 inHg
Wind4.8 mph SE
Humidity57%
Visibility6.2 mi
Dew point31°
Wed, 2145° / 30°0.17
Morning30°feels 30°
Afternoon44°feels 39°
Evening34°feels 30°
Overnight32°feels 29°
45 °
Boulder, Wednesday, 21 October
Snow. High 45°, low 30°.
Pressure30.09 inHg
Wind6.4 mph S
Humidity75%
Visibility6.2 mi
Dew point36°
Thu, 2244° / 32°0.22
Morning32°feels 28°
Afternoon42°feels 37°
Evening35°feels 35°
Overnight33°feels 33°
44 °
Boulder, Thursday, 22 October
Light rain. High 44°, low 32°.
Pressure29.97 inHg
Wind7.1 mph SE
Humidity84%
Visibility6.2 mi
Dew point37°
Fri, 2333° / 24°0.54
Morning31°feels 29°
Afternoon29°feels 21°
Evening26°feels 18°
Overnight32°feels 30°
33 °
Boulder, Friday, 23 October
Snow. High 33°, low 24°.
Pressure29.83 inHg
Wind8.8 mph NW
Humidity98%
Visibility—
Dew point29°
Sat, 2431° / 16°0
Morning19°feels 18°
Afternoon27°feels 21°
Evening24°feels 20°
Overnight18°feels 15°
31 °
Boulder, Saturday, 24 October
Partly cloudy. High 31°, low 16°.
Pressure30.15 inHg
Wind5.3 mph S
Humidity93%
Visibility—
Dew point24°
Sun, 2543° / 21°0
Morning27°feels 26°
Afternoon38°feels 33°
Evening32°feels 27°
Overnight24°feels 21°
43 °
Boulder, Sunday, 25 October
Partly cloudy. High 43°, low 21°.
Pressure30.21 inHg
Wind6 mph SW
Humidity29%
Visibility—
Dew point7°
Mon, 2641° / 25°0
Morning31°feels 30°
Afternoon38°feels 36°
Evening34°feels 34°
Overnight28°feels 28°
41 °
Boulder, Monday, 26 October
Overcast. High 41°, low 25°.
Pressure30.00 inHg
Wind5.6 mph W
Humidity41%
Visibility—
Dew point16°
Tue, 2738° / 23°0
Morning28°feels 25°
Afternoon35°feels 34°
Evening30°feels 27°
Overnight23°feels 22°
38 °
Boulder, Tuesday, 27 October
Partly cloudy. High 38°, low 23°.
Pressure30.03 inHg
Wind3.9 mph E
Humidity49%
Visibility—
Dew point17°
Wed, 2840° / 20°0
Morning24°feels 24°
Afternoon35°feels 32°
Evening31°feels 27°
Overnight23°feels 23°
40 °
Boulder, Wednesday, 28 October
Clear. High 40°, low 20°.
Pressure30.06 inHg
Wind4.6 mph S
Humidity31%
Visibility—
Dew point6°
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, ID 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.