Weather in Williamsburg, MT
Williamsburg, Friday, 9 October, 05:19
Overcast. Feels like 36°. High 74°, low 36°.
Monthly outlook for Williamsburg, MT: average high 49.8°, average low 31.5°. That is 0.1° above the climate normal for October. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 9 October (73.7°), the coolest 16 October (23.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 9 October – 18 October | 50.1° | 50.1° | -0° |
| 19 October – 28 October | 49.3° | 47° | +1.3° |
| 29 October – 7 November | at normal | 40.6° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Walkerville (3 mi).
0.15
Williamsburg, Saturday, 10 October
Snow. High 49°, low 33°.
0.34Williamsburg, Sunday, 11 October
Snow. High 35°, low 28°.
0.18Williamsburg, Monday, 12 October
Snow. High 37°, low 27°.
0
Williamsburg, Tuesday, 13 October
Partly cloudy. High 41°, low 24°.
0Williamsburg, Wednesday, 14 October
Overcast. High 47°, low 25°.
0.06Williamsburg, Thursday, 15 October
Light snow. High 40°, low 27°.
0
Williamsburg, Friday, 16 October
Mostly clear. High 57°, low 24°.
0Williamsburg, Saturday, 17 October
Partly cloudy. High 64°, low 37°.
0Williamsburg, Sunday, 18 October
Overcast. High 58°, low 40°.
0Williamsburg, Monday, 19 October
Overcast. High 60°, low 40°.
0.07
Williamsburg, Tuesday, 20 October
Light rain. High 55°, low 35°.
0.29Williamsburg, Wednesday, 21 October
Snow. High 37°, low 32°.
0Williamsburg, Thursday, 22 October
Overcast. High 43°, low 33°.
0Williamsburg, Friday, 23 October
Overcast. High 49°, low 29°.
0Williamsburg, Saturday, 24 October
Overcast. High 52°, low 34°.
0.04Williamsburg, Sunday, 25 October
Climate normal for this date — 60-year average.
0.06Williamsburg, Monday, 26 October
Climate normal for this date — 60-year average.
0.03Williamsburg, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.05Williamsburg, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.04Williamsburg, Thursday, 29 October
Climate normal for this date — 60-year average.
0.03Williamsburg, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Williamsburg, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Williamsburg, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Williamsburg, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Williamsburg, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.04Williamsburg, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Williamsburg, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04
Williamsburg, Friday, 6 November
Climate normal for this date — 60-year average.
0.04Williamsburg, Saturday, 7 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 Williamsburg, MT 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 Williamsburg, MT 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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