Weather in Sumpter, OR
Sumpter, Saturday, 17 October, 02:35
Overcast. Feels like 33°. High 66°, low 35°.
Monthly outlook for Sumpter, OR: average high 51.3°, average low 33°. That is 0.2° below the climate normal for October. Precipitation is expected on 4 days (about 0.4 inches), against a normal of 5 days and 1.1 inches. The warmest day looks like 17 October (66.2°), the coolest 30 October (24°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 55.5° | 53.9° | +0.9° |
| 27 October – 5 November | 44.4° | 47.1° | -1.5° |
| 6 November – 15 November | at normal | 42.2° | — |
October records over 66 years
0
Sumpter, Sunday, 18 October
Clear. High 62°, low 31°.
0Sumpter, Monday, 19 October
Overcast. High 57°, low 40°.
0Sumpter, Tuesday, 20 October
Overcast. High 58°, low 38°.
0Sumpter, Wednesday, 21 October
Overcast. High 58°, low 46°.
0.09
Sumpter, Thursday, 22 October
Light rain. High 58°, low 42°.
0.02
Sumpter, Friday, 23 October
Snow. High 40°, low 30°.
0Sumpter, Saturday, 24 October
Clear. High 52°, low 29°.
0Sumpter, Sunday, 25 October
Overcast. High 50°, low 35°.
0
Sumpter, Monday, 26 October
Partly cloudy. High 53°, low 33°.
0.12Sumpter, Tuesday, 27 October
Light snow. High 40°, low 29°.
0.14Sumpter, Wednesday, 28 October
Snow. High 42°, low 26°.
0.07Sumpter, Thursday, 29 October
Snow. High 40°, low 26°.
0Sumpter, Friday, 30 October
Overcast. High 41°, low 24°.
0.01Sumpter, Saturday, 31 October
Light rain. High 48°, low 29°.
0Sumpter, Sunday, 1 November
Partly cloudy. High 55°, low 34°.
0.06
Sumpter, Monday, 2 November
Climate normal for this date — 60-year average.
0.05Sumpter, 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.
0.07Sumpter, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Sumpter, Sunday, 15 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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