Weather in Sumpter, OR
Sumpter, Thursday, 15 October, 07:45
Clear. Feels like 31°. High 63°, low 30°.
Monthly outlook for Sumpter, OR: average high 49.1°, average low 33.6°. That is 2.1° below the climate normal for October. Precipitation is expected on 6 days (about 1.2 inches), against a normal of 5 days and 1.1 inches. The warmest day looks like 16 October (65.8°), the coolest 29 October (23.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 55.6° | 54.9° | +0.4° |
| 25 October – 3 November | 38.2° | 48.3° | -5.6° |
| 4 November – 13 November | at normal | 43.2° | — |
October records over 66 years
0
Sumpter, Friday, 16 October
Overcast. High 66°, low 33°.
0Sumpter, Saturday, 17 October
Overcast. High 62°, low 43°.
0Sumpter, Sunday, 18 October
Clear. High 59°, low 41°.
0Sumpter, Monday, 19 October
Overcast. High 57°, low 43°.
0.06
Sumpter, Tuesday, 20 October
Light rain. High 59°, low 42°.
0.12Sumpter, Wednesday, 21 October
Light rain. High 49°, low 42°.
0.02
Sumpter, Thursday, 22 October
Snow. High 48°, low 36°.
0
Sumpter, Friday, 23 October
Mostly clear. High 47°, low 31°.
0.05Sumpter, Saturday, 24 October
Snow. High 46°, low 33°.
0Sumpter, Sunday, 25 October
Overcast. High 38°, low 29°.
0.02Sumpter, Monday, 26 October
Light snow. High 42°, low 28°.
0.41Sumpter, Tuesday, 27 October
Snow. High 40°, low 29°.
0.33Sumpter, Wednesday, 28 October
Snow. High 38°, low 32°.
0.2Sumpter, Thursday, 29 October
Snow. High 35°, low 24°.
0.02Sumpter, Friday, 30 October
Light snow. High 37°, low 24°.
0.07
Sumpter, Saturday, 31 October
Climate normal for this date — 60-year average.
0.09Sumpter, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Sumpter, Monday, 2 November
Climate normal for this date — 60-year average.
0.05
Sumpter, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.12Sumpter, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.09Sumpter, Thursday, 5 November
Climate normal for this date — 60-year average.
0.09Sumpter, Friday, 6 November
Climate normal for this date — 60-year average.
0.11Sumpter, Saturday, 7 November
Climate normal for this date — 60-year average.
0.08Sumpter, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Sumpter, Monday, 9 November
Climate normal for this date — 60-year average.
0.08Sumpter, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.07Sumpter, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.09Sumpter, Thursday, 12 November
Climate normal for this date — 60-year average.
0.12Sumpter, Friday, 13 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 Sumpter, OR 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 Sumpter, OR 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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