Weather in West Thumb, WY
West Thumb, Friday, 30 October, 15:47
Overcast. Feels like 48°. High 48°, low 23°.
Monthly outlook for West Thumb, WY: average high 37.6°, average low 22.7°. That is 1.9° above the climate normal for October. Precipitation is expected on 7 days (about 1.0 inches), against a normal of 7 days and 1.6 inches. The warmest day looks like 30 October (48.4°), the coolest 7 November (17.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 30 October – 8 November | 38.5° | 35.3° | +1.8° |
| 9 November – 18 November | 36.1° | 31.6° | +2.5° |
| 19 November – 28 November | at normal | 26.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake (13 mi).
0.16
West Thumb, Saturday, 31 October
Snow. High 44°, low 28°.
0.31West Thumb, Sunday, 1 November
Snow. High 39°, low 28°.
0.05West Thumb, Monday, 2 November
Light snow. High 34°, low 24°.
0
West Thumb, Tuesday, 3 November
Clear. High 41°, low 26°.
0West Thumb, Wednesday, 4 November
Overcast. High 38°, low 26°.
0West Thumb, Thursday, 5 November
Overcast. High 34°, low 19°.
0.14West Thumb, Friday, 6 November
Snow. High 35°, low 20°.
0.06West Thumb, Saturday, 7 November
Light snow. High 32°, low 17°.
0
West Thumb, Sunday, 8 November
Partly cloudy. High 39°, low 18°.
0West Thumb, Monday, 9 November
Clear. High 45°, low 23°.
0West Thumb, Tuesday, 10 November
Overcast. High 41°, low 25°.
0.09West Thumb, Wednesday, 11 November
Light snow. High 36°, low 25°.
0.17West Thumb, Thursday, 12 November
Light snow. High 29°, low 22°.
0.01West Thumb, Friday, 13 November
Light snow. High 30°, low 19°.
0.03West Thumb, Saturday, 14 November
Light snow. High 36°, low 20°.
0.05West Thumb, Sunday, 15 November
Climate normal for this date — 60-year average.
0.1
West Thumb, Monday, 16 November
Climate normal for this date — 60-year average.
0.1
West 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.
0.12West Thumb, Sunday, 22 November
Climate normal for this date — 60-year average.
0.09West Thumb, Monday, 23 November
Climate normal for this date — 60-year average.
0.12West Thumb, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14West Thumb, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.11West Thumb, Thursday, 26 November
Climate normal for this date — 60-year average.
0.07West Thumb, Friday, 27 November
Climate normal for this date — 60-year average.
0.08West Thumb, Saturday, 28 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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