10-day forecast for Longmont, CO: 34° to 66°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
66°
Best day: Thursday, November 12
46°
Worst day: Friday, November 20
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1266° / 39°0
Morning50°feels 50°
Afternoon66°feels 63°
Evening52°feels 50°
Overnight41°feels 41°
66 °
Longmont, Thursday, 12 November
Clear. High 66°, low 39°.
Pressure30.03 inHg
Wind5.6 mph SE
Humidity29%
Visibility6.2 mi
Dew point27°
Fri, 1360° / 37°0
Morning42°feels 42°
Afternoon60°feels 57°
Evening44°feels 42°
Overnight44°feels 44°
60 °
Longmont, Friday, 13 November
Overcast. High 60°, low 37°.
Pressure29.83 inHg
Wind3 mph NE
Humidity36%
Visibility6.2 mi
Dew point28°
Sat, 1450° / 38°0
Morning40°feels 38°
Afternoon50°feels 50°
Evening46°feels 46°
Overnight40°feels 38°
50 °
Longmont, Saturday, 14 November
Overcast. High 50°, low 38°.
Pressure29.77 inHg
Wind2.6 mph NE
Humidity73%
Visibility6.2 mi
Dew point39°
Sun, 1555° / 38°0
Morning40°feels 40°
Afternoon55°feels 53°
Evening48°feels 48°
Overnight40°feels 40°
55 °
Longmont, Sunday, 15 November
Clear. High 55°, low 38°.
Pressure30.06 inHg
Wind3.5 mph E
Humidity59%
Visibility6.2 mi
Dew point38°
Mon, 1657° / 34°0
Morning39°feels 38°
Afternoon51°feels 49°
Evening47°feels 47°
Overnight37°feels 37°
57 °
Longmont, Monday, 16 November
Overcast. High 57°, low 34°.
Pressure30.03 inHg
Wind3.2 mph E
Humidity52%
Visibility—
Dew point32°
Tue, 1763° / 36°0
Morning42°feels 41°
Afternoon57°feels 54°
Evening47°feels 46°
Overnight40°feels 40°
63 °
Longmont, Tuesday, 17 November
Mostly clear. High 63°, low 36°.
Pressure29.88 inHg
Wind4.5 mph E
Humidity29%
Visibility—
Dew point24°
Wed, 1859° / 37°0
Morning43°feels 42°
Afternoon55°feels 52°
Evening48°feels 45°
Overnight45°feels 45°
59 °
Longmont, Wednesday, 18 November
Overcast. High 59°, low 37°.
Pressure29.80 inHg
Wind6 mph NE
Humidity26%
Visibility—
Dew point20°
Thu, 1957° / 37°0
Morning44°feels 44°
Afternoon53°feels 50°
Evening44°feels 38°
Overnight41°feels 41°
57 °
Longmont, Thursday, 19 November
Overcast. High 57°, low 37°.
Pressure29.71 inHg
Wind11.8 mph E
Humidity38%
Visibility—
Dew point28°
Fri, 2046° / 40°0
Morning41°feels 41°
Afternoon42°feels 40°
Evening42°feels 37°
Overnight41°feels 38°
46 °
Longmont, Friday, 20 November
Overcast. High 46°, low 40°.
Pressure29.94 inHg
Wind6.8 mph NW
Humidity80%
Visibility—
Dew point37°
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 Longmont, 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.