Weather in Williamsburg, MT
Williamsburg, Thursday, 8 October, 13:54
Mostly clear. Feels like 65°. High 71°, low 35°.
Monthly outlook for Williamsburg, MT: average high 48.8°, average low 28.4°. That is 0.6° below the climate normal for October. Precipitation is expected on 6 days (about 1.4 inches), against a normal of 4 days and 0.6 inches. The warmest day looks like 9 October (74.3°), the coolest 16 October (14.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 47.2° | 50.4° | -1.8° |
| 18 October – 27 October | 51.5° | 47.6° | +2.1° |
| 28 October – 6 November | at normal | 41.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Walkerville (3 mi).
0
Williamsburg, Friday, 9 October
Partly cloudy. High 74°, low 41°.
0.3
Williamsburg, Saturday, 10 October
Snow. High 51°, low 31°.
0.3Williamsburg, Sunday, 11 October
Snow. High 33°, low 27°.
0.16Williamsburg, Monday, 12 October
Snow. High 37°, low 29°.
0Williamsburg, Tuesday, 13 October
Partly cloudy. High 47°, low 27°.
0.31Williamsburg, Wednesday, 14 October
Snow. High 42°, low 32°.
0.26Williamsburg, Thursday, 15 October
Snow. High 32°, low 18°.
0
Williamsburg, Friday, 16 October
Clear. High 37°, low 14°.
0Williamsburg, Saturday, 17 October
Clear. High 47°, low 21°.
0Williamsburg, Sunday, 18 October
Clear. High 53°, low 28°.
0Williamsburg, Monday, 19 October
Clear. High 55°, low 33°.
0
Williamsburg, Tuesday, 20 October
Overcast. High 55°, low 33°.
0Williamsburg, Wednesday, 21 October
Partly cloudy. High 50°, low 33°.
0Williamsburg, Thursday, 22 October
Overcast. High 56°, low 29°.
0.09Williamsburg, Friday, 23 October
Light snow. High 39°, low 23°.
0.04Williamsburg, Saturday, 24 October
Climate normal for this date — 60-year average.
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.
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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