Weather in Casper Mountain, WY
Casper Mountain, Thursday, 15 October, 23:56
Clear. Feels like 21°. High 42°, low 26°.
Monthly outlook for Casper Mountain, WY: average high 48.1°, average low 31.6°. That is 1.3° above the climate normal for October. Precipitation is expected on 4 days (about 1.7 inches), against a normal of 3 days and 0.9 inches. The warmest day looks like 17 October (65.2°), the coolest 25 October (12.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 55.2° | 47.5° | +4.3° |
| 25 October – 3 November | 36.3° | 41° | -2.6° |
| 4 November – 13 November | at normal | 37.5° | — |
October records over 66 years
0
Casper Mountain, Friday, 16 October
Clear. High 54°, low 24°.
0Casper Mountain, Saturday, 17 October
Clear. High 65°, low 44°.
0
Casper Mountain, Sunday, 18 October
Overcast. High 64°, low 47°.
0Casper Mountain, Monday, 19 October
Clear. High 64°, low 46°.
0Casper Mountain, Tuesday, 20 October
Clear. High 64°, low 47°.
0Casper Mountain, Wednesday, 21 October
Clear. High 64°, low 47°.
0Casper Mountain, Thursday, 22 October
Overcast. High 63°, low 45°.
0.7
Casper Mountain, Friday, 23 October
Snow. High 45°, low 28°.
0.57Casper Mountain, Saturday, 24 October
Snow. High 26°, low 18°.
0
Casper Mountain, Sunday, 25 October
Partly cloudy. High 28°, low 12°.
0.01Casper Mountain, Monday, 26 October
Light snow. High 34°, low 17°.
0.25Casper Mountain, Tuesday, 27 October
Snow. High 27°, low 20°.
0Casper Mountain, Wednesday, 28 October
Overcast. High 37°, low 20°.
0Casper Mountain, Thursday, 29 October
Overcast. High 42°, low 30°.
0Casper Mountain, Friday, 30 October
Overcast. High 49°, low 33°.
0.06Casper Mountain, Saturday, 31 October
Climate normal for this date — 60-year average.
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.
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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