Weather in Forest Green, MT
Forest Green, Monday, 12 October, 14:41
Clear. Feels like 22°. High 27°, low 19°.
Monthly outlook for Forest Green, MT: average high 45.1°, average low 29.5°. That is 0.7° below the climate normal for October. Precipitation is expected on 6 days (about 1.0 inches), against a normal of 5 days and 0.9 inches. The warmest day looks like 19 October (57.7°), the coolest 13 October (18.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 12 October – 21 October | 47.9° | 47.5° | +0.2° |
| 22 October – 31 October | 40.5° | 42.9° | -1.3° |
| 1 November – 10 November | at normal | 37.9° | — |
October records over 66 years
0Forest Green, Tuesday, 13 October
Clear. High 40°, low 19°.
0Forest Green, Wednesday, 14 October
Clear. High 46°, low 24°.
0Forest Green, Thursday, 15 October
Clear. High 47°, low 27°.
0Forest Green, Friday, 16 October
Clear. High 56°, low 33°.
0Forest Green, Saturday, 17 October
Clear. High 56°, low 39°.
0Forest Green, Sunday, 18 October
Clear. High 52°, low 39°.
0
Forest Green, Monday, 19 October
Mostly clear. High 58°, low 36°.
0.21
Forest Green, Tuesday, 20 October
Rain. High 55°, low 41°.
0.2
Forest Green, Wednesday, 21 October
Snow. High 42°, low 29°.
0.07Forest Green, Thursday, 22 October
Light snow. High 36°, low 25°.
0
Forest Green, Friday, 23 October
Overcast. High 41°, low 23°.
0.16Forest Green, Saturday, 24 October
Snow. High 48°, low 30°.
0.2Forest Green, Sunday, 25 October
Snow. High 39°, low 33°.
0.04Forest Green, Monday, 26 October
Snow. High 42°, low 31°.
0.13Forest Green, Tuesday, 27 October
Light snow. High 37°, low 24°.
0.06
Forest Green, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.05Forest Green, Thursday, 29 October
Climate normal for this date — 60-year average.
0.03Forest Green, Friday, 30 October
Climate normal for this date — 60-year average.
0.05Forest Green, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Forest Green, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Forest Green, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Forest Green, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.07
Forest Green, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.07Forest Green, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Forest Green, Friday, 6 November
Climate normal for this date — 60-year average.
0.05Forest Green, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07Forest Green, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Forest Green, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Forest Green, Tuesday, 10 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 Forest Green, 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 Forest Green, 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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