Weather in Niwot, CO
Niwot, Monday, 9 November, 02:09
Clear. Feels like 45°. High 70°, low 42°.
Monthly outlook for Niwot, CO: average high 52.9°, average low 31.2°. That is 2.4° above the climate normal for November. Precipitation is expected on 3 days (about 1.1 inches), against a normal of 3 days and 0.6 inches. The warmest day looks like 10 November (70.8°), the coolest 21 November (14.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 November – 18 November | 63.7° | 49.9° | +7.7° |
| 19 November – 28 November | 35.1° | 44.9° | -5.5° |
| 29 November – 8 December | at normal | 41.3° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Longmont (6 mi).
0
Niwot, Tuesday, 10 November
Overcast. High 71°, low 39°.
0Niwot, Wednesday, 11 November
Overcast. High 62°, low 31°.
0
Niwot, Thursday, 12 November
Clear. High 65°, low 33°.
0Niwot, Friday, 13 November
Overcast. High 63°, low 35°.
0Niwot, Saturday, 14 November
Overcast. High 61°, low 34°.
0Niwot, Sunday, 15 November
Clear. High 68°, low 42°.
0Niwot, Monday, 16 November
Clear. High 65°, low 43°.
0Niwot, Tuesday, 17 November
Overcast. High 51°, low 38°.
0
Niwot, Wednesday, 18 November
Partly cloudy. High 61°, low 35°.
0.78
Niwot, Thursday, 19 November
Snow. High 42°, low 24°.
0.25Niwot, Friday, 20 November
Snow. High 30°, low 22°.
0.09Niwot, Saturday, 21 November
Light snow. High 30°, low 15°.
0Niwot, Sunday, 22 November
Overcast. High 34°, low 15°.
0Niwot, Monday, 23 November
Light snow. High 34°, low 22°.
0Niwot, Tuesday, 24 November
Overcast. High 41°, low 30°.
0.02
Niwot, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Niwot, Thursday, 26 November
Climate normal for this date — 60-year average.
0.06Niwot, Friday, 27 November
Climate normal for this date — 60-year average.
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.
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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