Weather in Sumpter, OR
Sumpter, Monday, 19 October, 03:50
Overcast. Feels like 31°. High 60°, low 34°.
Monthly outlook for Sumpter, OR: average high 51.7°, average low 34.2°. That is 0.7° above the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 5 days and 1.2 inches. The warmest day looks like 25 October (61°), the coolest 24 October (25.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 19 October – 28 October | 53.8° | 52.4° | +0.8° |
| 29 October – 7 November | 48.2° | 46.1° | +1.2° |
| 8 November – 17 November | at normal | 41.3° | — |
October records over 66 years
0Sumpter, Tuesday, 20 October
Overcast. High 60°, low 35°.
0.09
Sumpter, Wednesday, 21 October
Rain. High 56°, low 46°.
0.28Sumpter, Thursday, 22 October
Rain. High 51°, low 38°.
0.01
Sumpter, Friday, 23 October
Snow. High 38°, low 26°.
0
Sumpter, Saturday, 24 October
Clear. High 42°, low 26°.
0
Sumpter, Sunday, 25 October
Partly cloudy. High 61°, low 36°.
0Sumpter, Monday, 26 October
Overcast. High 59°, low 41°.
0
Sumpter, Tuesday, 27 October
Mostly clear. High 57°, low 36°.
0Sumpter, Wednesday, 28 October
Clear. High 54°, low 37°.
0Sumpter, Thursday, 29 October
Overcast. High 56°, low 37°.
0Sumpter, Friday, 30 October
Overcast. High 52°, low 35°.
0Sumpter, Saturday, 31 October
Overcast. High 50°, low 34°.
0.04Sumpter, Sunday, 1 November
Snow. High 42°, low 29°.
0Sumpter, Monday, 2 November
Overcast. High 42°, low 29°.
0Sumpter, Tuesday, 3 November
Mostly clear. High 48°, low 29°.
0.12
Sumpter, 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.
0.09Sumpter, Monday, 16 November
Climate normal for this date — 60-year average.
0.13Sumpter, Tuesday, 17 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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