Weather in Forest Green, MT
Forest Green, Tuesday, 20 October, 15:37
Clear. Feels like 50°. High 53°, low 28°.
Monthly outlook for Forest Green, MT: average high 42.2°, average low 21.9°. That is 0.2° below the climate normal for October. Precipitation is expected on 3 days (about 1.0 inches), against a normal of 5 days and 0.8 inches. The warmest day looks like 22 October (60.3°), the coolest 1 November (12.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 44.6° | 44.6° | -0° |
| 30 October – 8 November | 38.2° | 38.7° | -0.3° |
| 9 November – 18 November | at normal | 35° | — |
October records over 66 years
0Forest Green, Wednesday, 21 October
Clear. High 59°, low 31°.
0Forest Green, Thursday, 22 October
Clear. High 60°, low 38°.
0.34
Forest Green, Friday, 23 October
Snow. High 47°, low 29°.
0Forest Green, Saturday, 24 October
Light snow. High 40°, low 20°.
0Forest Green, Sunday, 25 October
Clear. High 42°, low 27°.
0
Forest Green, Monday, 26 October
Partly cloudy. High 30°, low 13°.
0Forest Green, Tuesday, 27 October
Clear. High 39°, low 13°.
0
Forest Green, Wednesday, 28 October
Overcast. High 34°, low 18°.
0Forest Green, Thursday, 29 October
Overcast. High 40°, low 19°.
0Forest Green, Friday, 30 October
Clear. High 41°, low 24°.
0Forest Green, Saturday, 31 October
Overcast. High 41°, low 24°.
0.52Forest Green, Sunday, 1 November
Snow. High 32°, low 12°.
0Forest Green, Monday, 2 November
Overcast. High 36°, low 12°.
0.02Forest Green, Tuesday, 3 November
Light snow. High 37°, low 23°.
0.13
Forest Green, Wednesday, 4 November
Light rain. High 42°, low 18°.
0.07
Forest 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.
0.03Forest Green, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.04Forest Green, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Forest Green, Friday, 13 November
Climate normal for this date — 60-year average.
0.05Forest Green, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Forest Green, Sunday, 15 November
Climate normal for this date — 60-year average.
0.04Forest Green, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Forest Green, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Forest Green, Wednesday, 18 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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