Weather in Niwot, CO
Niwot, Thursday, 12 November, 08:00
Clear. Feels like 48°. High 67°, low 40°.
Monthly outlook for Niwot, CO: average high 45.4°, average low 27.3°. That is 1° below the climate normal for November. Precipitation is expected on 5 days (about 1.3 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 12 November (66.6°), the coolest 27 November (-1.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 November – 21 November | 56.2° | 49° | +4° |
| 22 November – 1 December | 27.2° | 43.1° | -8.8° |
| 2 December – 11 December | at normal | 41.2° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Longmont (6 mi).
0
Niwot, Friday, 13 November
Overcast. High 65°, low 42°.
0Niwot, Saturday, 14 November
Overcast. High 48°, low 38°.
0
Niwot, Sunday, 15 November
Partly cloudy. High 52°, low 34°.
0Niwot, Monday, 16 November
Clear. High 57°, low 32°.
0Niwot, Tuesday, 17 November
Overcast. High 58°, low 33°.
0Niwot, Wednesday, 18 November
Clear. High 56°, low 39°.
0
Niwot, Thursday, 19 November
Mostly clear. High 62°, low 38°.
0Niwot, Friday, 20 November
Overcast. High 47°, low 30°.
0Niwot, Saturday, 21 November
Partly cloudy. High 51°, low 25°.
0.31
Niwot, Sunday, 22 November
Snow. High 38°, low 27°.
0Niwot, Monday, 23 November
Partly cloudy. High 37°, low 20°.
0.07Niwot, Tuesday, 24 November
Light snow. High 33°, low 20°.
0.23Niwot, Wednesday, 25 November
Snow. High 24°, low 17°.
0.52Niwot, Thursday, 26 November
Snow. High 20°, low 4°.
0.19Niwot, Friday, 27 November
Snow. High 11°, low -2°.
0.03Niwot, Saturday, 28 November
Climate normal for this date — 60-year average.
0.03Niwot, Sunday, 29 November
Climate normal for this date — 60-year average.
0.02Niwot, Monday, 30 November
Climate normal for this date — 60-year average.
0.02Niwot, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.02Niwot, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.03Niwot, Thursday, 3 December
Climate normal for this date — 60-year average.
0.02Niwot, Friday, 4 December
Climate normal for this date — 60-year average.
0.03Niwot, Saturday, 5 December
Climate normal for this date — 60-year average.
0.03Niwot, Sunday, 6 December
Climate normal for this date — 60-year average.
0.04Niwot, Monday, 7 December
Climate normal for this date — 60-year average.
0.04Niwot, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.04Niwot, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.02Niwot, Thursday, 10 December
Climate normal for this date — 60-year average.
0.03Niwot, Friday, 11 December
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Niwot, CO are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Niwot, CO since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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