10-day forecast for Boulder, ID: 8° to 52°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
52°
Best day: Friday, October 16
27° · 0.32 in
Worst day: Friday, October 23
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1748° / 22°0
Morning22°feels 18°
Afternoon48°feels 44°
Evening32°feels 32°
Overnight32°feels 32°
48 °
Boulder, Saturday, 17 October
Overcast. High 48°, low 22°.
Pressure30.27 inHg
Wind6.4 mph S
Humidity50%
Visibility6.2 mi
Dew point22°
Sun, 1847° / 29°0
Morning31°feels 31°
Afternoon47°feels 44°
Evening31°feels 31°
Overnight31°feels 31°
47 °
Boulder, Sunday, 18 October
Clear. High 47°, low 29°.
Pressure30.09 inHg
Wind5.7 mph S
Humidity52%
Visibility6.2 mi
Dew point24°
Mon, 1945° / 28°0
Morning31°feels 26°
Afternoon44°feels 39°
Evening34°feels 29°
Overnight28°feels 24°
45 °
Boulder, Monday, 19 October
Overcast. High 45°, low 28°.
Pressure29.91 inHg
Wind8.6 mph S
Humidity57%
Visibility6.2 mi
Dew point26°
Tue, 2036° / 28°0.33
Morning31°feels 31°
Afternoon35°feels 33°
Evening31°feels 31°
Overnight28°feels 28°
36 °
Boulder, Tuesday, 20 October
Snow. High 36°, low 28°.
Pressure29.88 inHg
Wind4 mph S
Humidity86%
Visibility—
Dew point31°
Wed, 2141° / 25°0.02
Morning30°feels 29°
Afternoon40°feels 37°
Evening37°feels 34°
Overnight30°feels 30°
41 °
Boulder, Wednesday, 21 October
Light rain. High 41°, low 25°.
Pressure29.97 inHg
Wind6.5 mph SE
Humidity61%
Visibility—
Dew point26°
Thu, 2239° / 30°0.19
Morning34°feels 33°
Afternoon38°feels 34°
Evening32°feels 26°
Overnight30°feels 28°
39 °
Boulder, Thursday, 22 October
Snow. High 39°, low 30°.
Pressure29.83 inHg
Wind6.3 mph S
Humidity61%
Visibility—
Dew point26°
Fri, 2327° / 9°0.32
Morning21°feels 12°
Afternoon21°feels 9°
Evening17°feels 8°
Overnight12°feels 2°
27 °
Boulder, Friday, 23 October
Snow. High 27°, low 9°.
Pressure30.03 inHg
Wind11.8 mph N
Humidity71%
Visibility—
Dew point13°
Sat, 2426° / 8°0
Morning12°feels 4°
Afternoon23°feels 17°
Evening20°feels 15°
Overnight11°feels 9°
26 °
Boulder, Saturday, 24 October
Clear. High 26°, low 8°.
Pressure30.42 inHg
Wind5.8 mph N
Humidity51%
Visibility—
Dew point5°
Sun, 2532° / 11°0
Morning17°feels 16°
Afternoon28°feels 25°
Evening25°feels 21°
Overnight17°feels 13°
32 °
Boulder, Sunday, 25 October
Overcast. High 32°, low 11°.
Pressure30.27 inHg
Wind3.7 mph SW
Humidity37%
Visibility—
Dew point3°
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.