Weather in West Thumb, WY
West Thumb, Sunday, 25 October, 02:09
Overcast. Feels like 27°. High 47°, low 25°.
Monthly outlook for West Thumb, WY: average high 38.2°, average low 25.9°. That is 0.9° above the climate normal for October. Precipitation is expected on 10 days (about 1.8 inches), against a normal of 7 days and 1.5 inches. The warmest day looks like 9 November (49.8°), the coolest 1 November (14.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 25 October – 3 November | 36.6° | 37.6° | -0.5° |
| 4 November – 13 November | 40.7° | 33.8° | +3.9° |
| 14 November – 23 November | at normal | 29.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lake (13 mi).
0West Thumb, Monday, 26 October
Overcast. High 45°, low 28°.
0.24
West Thumb, Tuesday, 27 October
Snow. High 31°, low 25°.
0.09West Thumb, Wednesday, 28 October
Snow. High 35°, low 25°.
0.13West Thumb, Thursday, 29 October
Snow. High 36°, low 27°.
0.11West Thumb, Friday, 30 October
Light snow. High 36°, low 29°.
0.31West Thumb, Saturday, 31 October
Snow. High 33°, low 18°.
0West Thumb, Sunday, 1 November
Overcast. High 31°, low 15°.
0
West Thumb, Monday, 2 November
Mostly clear. High 37°, low 15°.
0.15West Thumb, Tuesday, 3 November
Snow. High 36°, low 18°.
0.07West Thumb, Wednesday, 4 November
Light snow. High 31°, low 23°.
0.13West Thumb, Thursday, 5 November
Light snow. High 37°, low 29°.
0.5West Thumb, Friday, 6 November
Snow. High 38°, low 33°.
0.06
West Thumb, Saturday, 7 November
Light rain. High 40°, low 38°.
0
West Thumb, Sunday, 8 November
Clear. High 48°, low 34°.
0West Thumb, Monday, 9 November
Clear. High 50°, low 33°.
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.
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.
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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