Weather in Chelsea, MT
Chelsea, Tuesday, 10 November, 13:42
Overcast. Feels like 51°. High 54°, low 32°.
Monthly outlook for Chelsea, MT: average high 44°, average low 31.3°. That is 3.2° above the climate normal for November. Precipitation is expected on 2 days (about 0.8 inches), against a normal of 2 days and 0.4 inches. The warmest day looks like 16 November (58.5°), the coolest 25 November (15.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 51.6° | 39.9° | +6.5° |
| 20 November – 29 November | 31.4° | 34° | -1.5° |
| 30 November – 9 December | at normal | 30.1° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Poplar (7 mi).
0
Chelsea, Wednesday, 11 November
Clear. High 51°, low 30°.
0
Chelsea, Thursday, 12 November
Partly cloudy. High 49°, low 33°.
0Chelsea, Friday, 13 November
Overcast. High 51°, low 34°.
0Chelsea, Saturday, 14 November
Overcast. High 50°, low 35°.
0Chelsea, Sunday, 15 November
Overcast. High 51°, low 36°.
0Chelsea, Monday, 16 November
Clear. High 59°, low 39°.
0Chelsea, Tuesday, 17 November
Overcast. High 56°, low 43°.
0Chelsea, Wednesday, 18 November
Overcast. High 51°, low 41°.
0.56
Chelsea, Thursday, 19 November
Rain. High 45°, low 37°.
0.22
Chelsea, Friday, 20 November
Snow. High 36°, low 34°.
0.01Chelsea, Saturday, 21 November
Light rain. High 34°, low 27°.
0Chelsea, Sunday, 22 November
Partly cloudy. High 38°, low 25°.
0.02Chelsea, Monday, 23 November
Light snow. High 33°, low 21°.
0Chelsea, Tuesday, 24 November
Overcast. High 25°, low 19°.
0Chelsea, Wednesday, 25 November
Partly cloudy. High 22°, low 16°.
0.02
Chelsea, Thursday, 26 November
Climate normal for this date — 60-year average.
0.02Chelsea, Friday, 27 November
Climate normal for this date — 60-year average.
0.02Chelsea, Saturday, 28 November
Climate normal for this date — 60-year average.
0.02Chelsea, Sunday, 29 November
Climate normal for this date — 60-year average.
0.02Chelsea, Monday, 30 November
Climate normal for this date — 60-year average.
0.03Chelsea, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Chelsea, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.02Chelsea, Thursday, 3 December
Climate normal for this date — 60-year average.
0.02Chelsea, Friday, 4 December
Climate normal for this date — 60-year average.
0.02Chelsea, Saturday, 5 December
Climate normal for this date — 60-year average.
0.02Chelsea, Sunday, 6 December
Climate normal for this date — 60-year average.
0.02Chelsea, Monday, 7 December
Climate normal for this date — 60-year average.
0.02Chelsea, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.01Chelsea, Wednesday, 9 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 Chelsea, MT 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 Chelsea, MT 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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