Weather in West Thumb, WY
West Thumb, Friday, 23 October, 03:15
Partly cloudy. Feels like 39°. High 41°, low 28°.
Monthly outlook for West Thumb, WY: average high 35.6°, average low 18.9°. That is 1° below the climate normal for October. Precipitation is expected on 5 days (about 1.0 inches), against a normal of 7 days and 1.5 inches. The warmest day looks like 25 October (47.3°), the coolest 1 November (2.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 35.9° | 38.9° | -1.7° |
| 2 November – 11 November | 35.2° | 34.3° | +0.5° |
| 12 November – 21 November | at normal | 30.5° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake (13 mi).
0
West Thumb, Saturday, 24 October
Partly cloudy. High 40°, low 24°.
0
West Thumb, Sunday, 25 October
Clear. High 47°, low 29°.
0West Thumb, Monday, 26 October
Partly cloudy. High 45°, low 29°.
0.18
West Thumb, Tuesday, 27 October
Snow. High 32°, low 28°.
0.03West Thumb, Wednesday, 28 October
Light snow. High 38°, low 25°.
0.12West Thumb, Thursday, 29 October
Light snow. High 32°, low 17°.
0.17West Thumb, Friday, 30 October
Light snow. High 28°, low 13°.
0.04West Thumb, Saturday, 31 October
Light snow. High 26°, low 9°.
0
West Thumb, Sunday, 1 November
Overcast. High 29°, low 3°.
0West Thumb, Monday, 2 November
Overcast. High 34°, low 9°.
0West Thumb, Tuesday, 3 November
Partly cloudy. High 36°, low 9°.
0
West Thumb, Wednesday, 4 November
Mostly clear. High 37°, low 8°.
0.04West Thumb, Thursday, 5 November
Light snow. High 35°, low 14°.
0.01West Thumb, Friday, 6 November
Light snow. High 33°, low 30°.
0West Thumb, Saturday, 7 November
Overcast. High 36°, low 27°.
0.13
West Thumb, Sunday, 8 November
Climate normal for this date — 60-year average.
0.11West Thumb, Monday, 9 November
Climate normal for this date — 60-year average.
0.08
West Thumb, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.09West Thumb, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.1West Thumb, Thursday, 12 November
Climate normal for this date — 60-year average.
0.11West Thumb, Friday, 13 November
Climate normal for this date — 60-year average.
0.1West Thumb, Saturday, 14 November
Climate normal for this date — 60-year average.
0.05West Thumb, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1West Thumb, Monday, 16 November
Climate normal for this date — 60-year average.
0.1West Thumb, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.11West Thumb, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08West Thumb, Thursday, 19 November
Climate normal for this date — 60-year average.
0.11West Thumb, Friday, 20 November
Climate normal for this date — 60-year average.
0.09West Thumb, Saturday, 21 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 West Thumb, 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 West Thumb, 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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