Weather in Corvallis, MT
Corvallis, Thursday, 22 October, 06:19
Clear. Feels like 39°. High 66°, low 39°.
Monthly outlook for Corvallis, MT: average high 56.5°, average low 39.3°. That is 3.4° above the climate normal for October. Precipitation is expected on 4 days (about 1.1 inches), against a normal of 5 days and 1.1 inches. The warmest day looks like 5 November (68.3°), the coolest 29 October (33.4°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 22 October – 31 October | 52.2° | 51.9° | +0.2° |
| 1 November – 10 November | 63.6° | 46.5° | +9.5° |
| 11 November – 20 November | at normal | 41.9° | — |
October records over 66 years
0.28
Corvallis, Friday, 23 October
Rain. High 47°, low 41°.
0
Corvallis, Saturday, 24 October
Overcast. High 56°, low 35°.
0
Corvallis, Sunday, 25 October
Partly cloudy. High 54°, low 38°.
0Corvallis, Monday, 26 October
Overcast. High 52°, low 38°.
0.54Corvallis, Tuesday, 27 October
Rain. High 43°, low 38°.
0.13Corvallis, Wednesday, 28 October
Light rain. High 44°, low 38°.
0.04
Corvallis, Thursday, 29 October
Light snow. High 48°, low 33°.
0
Corvallis, Friday, 30 October
Clear. High 54°, low 34°.
0Corvallis, Saturday, 31 October
Overcast. High 57°, low 36°.
0
Corvallis, Sunday, 1 November
Mostly clear. High 58°, low 38°.
0Corvallis, Monday, 2 November
Overcast. High 62°, low 38°.
0Corvallis, Tuesday, 3 November
Partly cloudy. High 65°, low 43°.
0.05Corvallis, Wednesday, 4 November
Light rain. High 64°, low 48°.
0Corvallis, Thursday, 5 November
Overcast. High 68°, low 45°.
0Corvallis, Friday, 6 November
Overcast. High 65°, low 46°.
0.09
Corvallis, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Corvallis, Sunday, 8 November
Climate normal for this date — 60-year average.
0.07Corvallis, Monday, 9 November
Climate normal for this date — 60-year average.
0.05Corvallis, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Corvallis, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.07Corvallis, Thursday, 12 November
Climate normal for this date — 60-year average.
0.08Corvallis, Friday, 13 November
Climate normal for this date — 60-year average.
0.07Corvallis, Saturday, 14 November
Climate normal for this date — 60-year average.
0.03Corvallis, Sunday, 15 November
Climate normal for this date — 60-year average.
0.06Corvallis, Monday, 16 November
Climate normal for this date — 60-year average.
0.07Corvallis, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.08Corvallis, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.08Corvallis, Thursday, 19 November
Climate normal for this date — 60-year average.
0.07Corvallis, Friday, 20 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 Corvallis, 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 Corvallis, 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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