Weather in Casper Mountain, WY
Casper Mountain, Friday, 16 October, 03:00
Clear. Feels like 22°. High 52°, low 22°.
Monthly outlook for Casper Mountain, WY: average high 51°, average low 34.4°. That is 3.2° above the climate normal for October. Precipitation is expected on 2 days (about 0.6 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 20 October (64.5°), the coolest 25 October (21.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 55.6° | 47.2° | +4.7° |
| 26 October – 4 November | 43.4° | 40.4° | +1.6° |
| 5 November – 14 November | at normal | 37° | — |
October records over 66 years
0
Casper Mountain, Saturday, 17 October
Clear. High 64°, low 44°.
0Casper Mountain, Sunday, 18 October
Clear. High 64°, low 47°.
0Casper Mountain, Monday, 19 October
Clear. High 64°, low 43°.
0Casper Mountain, Tuesday, 20 October
Clear. High 65°, low 45°.
0Casper Mountain, Wednesday, 21 October
Clear. High 64°, low 46°.
0
Casper Mountain, Thursday, 22 October
Overcast. High 61°, low 43°.
0Casper Mountain, Friday, 23 October
Overcast. High 55°, low 47°.
0.43
Casper Mountain, Saturday, 24 October
Snow. High 37°, low 26°.
0.17Casper Mountain, Sunday, 25 October
Snow. High 29°, low 21°.
0Casper Mountain, Monday, 26 October
Light snow. High 38°, low 21°.
0Casper Mountain, Tuesday, 27 October
Overcast. High 46°, low 27°.
0
Casper Mountain, Wednesday, 28 October
Light rain. High 51°, low 35°.
0Casper Mountain, Thursday, 29 October
Light snow. High 34°, low 26°.
0
Casper Mountain, Friday, 30 October
Partly cloudy. High 42°, low 25°.
0Casper Mountain, Saturday, 31 October
Overcast. High 49°, low 30°.
0.06Casper Mountain, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04
Casper Mountain, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Casper Mountain, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Casper Mountain, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Casper Mountain, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Casper Mountain, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Casper Mountain, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Casper Mountain, Sunday, 8 November
Climate normal for this date — 60-year average.
0.04Casper Mountain, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Casper Mountain, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Casper Mountain, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Casper Mountain, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Casper Mountain, Friday, 13 November
Climate normal for this date — 60-year average.
0.04Casper Mountain, Saturday, 14 November
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 Casper Mountain, WY 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 Casper Mountain, WY 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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