Weather in West Thumb, WY
West Thumb, Thursday, 22 October, 14:06
Overcast. Feels like 50°. High 53°, low 34°.
Monthly outlook for West Thumb, WY: average high 45.1°, average low 28.1°. That is 3.9° above the climate normal for October. Precipitation is expected on 3 days (about 0.8 inches), against a normal of 6 days and 1.5 inches. The warmest day looks like 3 November (53.7°), the coolest 24 October (21.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 43.2° | 39.6° | +2° |
| 1 November – 10 November | 48.2° | 34.6° | +7.5° |
| 11 November – 20 November | at normal | 30.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake (13 mi).
0.53
West Thumb, Friday, 23 October
Snow. High 43°, low 29°.
0West Thumb, Saturday, 24 October
Light snow. High 44°, low 21°.
0
West Thumb, Sunday, 25 October
Clear. High 47°, low 28°.
0West Thumb, Monday, 26 October
Clear. High 45°, low 30°.
0.22West Thumb, Tuesday, 27 October
Snow. High 33°, low 27°.
0.06West Thumb, Wednesday, 28 October
Light snow. High 38°, low 26°.
0
West Thumb, Thursday, 29 October
Mostly clear. High 47°, low 25°.
0West Thumb, Friday, 30 October
Overcast. High 44°, low 30°.
0.01West Thumb, Saturday, 31 October
Light snow. High 38°, low 26°.
0West Thumb, Sunday, 1 November
Clear. High 39°, low 23°.
0West Thumb, Monday, 2 November
Clear. High 45°, low 24°.
0West Thumb, Tuesday, 3 November
Mostly clear. High 54°, low 29°.
0West Thumb, Wednesday, 4 November
Clear. High 49°, low 31°.
0West Thumb, Thursday, 5 November
Mostly clear. High 49°, low 33°.
0West Thumb, Friday, 6 November
Overcast. High 52°, low 35°.
0.12
West Thumb, Saturday, 7 November
Climate normal for this date — 60-year average.
0.13West 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.
0.05
West 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.
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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