Weather in West Thumb, WY
West Thumb, Friday, 23 October, 14:09
Light rain. Feels like 39°. High 43°, low 30°.
Monthly outlook for West Thumb, WY: average high 36.5°, average low 24.6°. That is 0.6° below the climate normal for October. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 7 days and 1.5 inches. The warmest day looks like 25 October (46.1°), the coolest 29 October (15.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 38.1° | 38.9° | -0.5° |
| 2 November – 11 November | 33.9° | 34.3° | -0.2° |
| 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).
0.02
West Thumb, Saturday, 24 October
Light snow. High 39°, low 23°.
0
West Thumb, Sunday, 25 October
Clear. High 46°, low 28°.
0
West Thumb, Monday, 26 October
Mostly clear. High 45°, low 28°.
0.19West Thumb, Tuesday, 27 October
Snow. High 31°, low 28°.
0West Thumb, Wednesday, 28 October
Light snow. High 37°, low 23°.
0.01West Thumb, Thursday, 29 October
Light snow. High 31°, low 15°.
0
West Thumb, Friday, 30 October
Overcast. High 34°, low 16°.
0West Thumb, Saturday, 31 October
Overcast. High 33°, low 18°.
0West Thumb, Sunday, 1 November
Overcast. High 42°, low 19°.
0.15West Thumb, Monday, 2 November
Light snow. High 34°, low 32°.
0.23West Thumb, Tuesday, 3 November
Light snow. High 33°, low 31°.
0.18West Thumb, Wednesday, 4 November
Snow. High 30°, low 25°.
0.22West Thumb, Thursday, 5 November
Snow. High 31°, low 25°.
0.02West Thumb, Friday, 6 November
Light snow. High 37°, low 31°.
0
West Thumb, Saturday, 7 November
Partly cloudy. High 39°, low 23°.
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.
0.05West 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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