Weather in Corvallis, MT
Corvallis, Saturday, 31 October, 06:10
Overcast. Feels like 34°. High 49°, low 34°.
Monthly outlook for Corvallis, MT: average high 53°, average low 37.7°. That is 4.1° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 6 days and 1.1 inches. The warmest day looks like 13 November (63.9°), the coolest 7 November (31.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 31 October – 9 November | 50.2° | 47° | +1.8° |
| 10 November – 19 November | 57.8° | 42.3° | +8.6° |
| 20 November – 29 November | at normal | 36.8° | — |
October records over 66 years
0.19
Corvallis, Sunday, 1 November
Rain. High 41°, low 35°.
0
Corvallis, Monday, 2 November
Partly cloudy. High 47°, low 34°.
0Corvallis, Tuesday, 3 November
Overcast. High 54°, low 34°.
0Corvallis, Wednesday, 4 November
Overcast. High 48°, low 38°.
0Corvallis, Thursday, 5 November
Overcast. High 52°, low 36°.
0.17
Corvallis, Friday, 6 November
Snow. High 44°, low 33°.
0
Corvallis, Saturday, 7 November
Clear. High 53°, low 31°.
0Corvallis, Sunday, 8 November
Overcast. High 63°, low 41°.
0Corvallis, Monday, 9 November
Overcast. High 51°, low 41°.
0Corvallis, Tuesday, 10 November
Overcast. High 56°, low 40°.
0Corvallis, Wednesday, 11 November
Overcast. High 60°, low 43°.
0Corvallis, Thursday, 12 November
Overcast. High 54°, low 38°.
0
Corvallis, Friday, 13 November
Mostly clear. High 64°, low 43°.
0.07Corvallis, Saturday, 14 November
Light rain. High 60°, low 43°.
0.01Corvallis, Sunday, 15 November
Light rain. High 53°, low 40°.
0.06
Corvallis, 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.
0.06Corvallis, Saturday, 21 November
Climate normal for this date — 60-year average.
0.08Corvallis, Sunday, 22 November
Climate normal for this date — 60-year average.
0.06Corvallis, Monday, 23 November
Climate normal for this date — 60-year average.
0.11Corvallis, Tuesday, 24 November
Climate normal for this date — 60-year average.
0.14Corvallis, Wednesday, 25 November
Climate normal for this date — 60-year average.
0.07Corvallis, Thursday, 26 November
Climate normal for this date — 60-year average.
0.06Corvallis, Friday, 27 November
Climate normal for this date — 60-year average.
0.08Corvallis, Saturday, 28 November
Climate normal for this date — 60-year average.
0.07Corvallis, Sunday, 29 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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