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As of 20:20 PDT

Weather in Sumpter, OR

65°Current weather

Sumpter, Saturday, 8 August, 20:20

Clear. Feels like 63°. High 84°, low 55°.

Pressure29.97 inHg
Wind6.2 mph NW
Humidity27%
Visibility6.2 mi
Dew point31°
Sun, 0983° / 55°0Clear
83 °Clear

Sumpter, Sunday, 9 August

Clear. High 83°, low 55°.

Pressure29.88 inHg
Wind6.6 mph W
Humidity11%
Visibility6.2 mi
Dew point24°
Mon, 1088° / 54°0Clear
88 °Clear

Sumpter, Monday, 10 August

Clear. High 88°, low 54°.

Pressure29.91 inHg
Wind5 mph W
Humidity11%
Visibility6.2 mi
Dew point22°
Tue, 1191° / 57°0Clear
91 °Clear

Sumpter, Tuesday, 11 August

Clear. High 91°, low 57°.

Pressure29.91 inHg
Wind6.7 mph SW
Humidity12%
Visibility6.2 mi
Dew point28°
Wed, 1286° / 58°0Clear
86 °Clear

Sumpter, Wednesday, 12 August

Clear. High 86°, low 58°.

Pressure29.83 inHg
Wind8 mph W
Humidity16%
Visibility6.2 mi
Dew point32°
Thu, 1385° / 55°0Overcast
85 °Overcast

Sumpter, Thursday, 13 August

Overcast. High 85°, low 55°.

Pressure29.83 inHg
Wind6.8 mph N
Humidity17%
Visibility—
Dew point27°
Fri, 1486° / 55°0Overcast
86 °Overcast

Sumpter, Friday, 14 August

Overcast. High 86°, low 55°.

Pressure29.94 inHg
Wind6.1 mph NW
Humidity13%
Visibility—
Dew point23°
Sat, 1588° / 61°0.04Light rain
88 °Light rain

Sumpter, Saturday, 15 August

Light rain. High 88°, low 61°.

Pressure30.00 inHg
Wind13.8 mph W
Humidity19%
Visibility—
Dew point34°
Sun, 1690° / 61°0Clear
90 °Clear

Sumpter, Sunday, 16 August

Clear. High 90°, low 61°.

Pressure30.03 inHg
Wind11.3 mph W
Humidity21%
Visibility—
Dew point38°
Mon, 1788° / 63°0.05Light rain
88 °Light rain

Sumpter, Monday, 17 August

Light rain. High 88°, low 63°.

Pressure29.97 inHg
Wind7.8 mph S
Humidity19%
Visibility—
Dew point37°
Tue, 1879° / 58°0Overcast
79 °Overcast

Sumpter, Tuesday, 18 August

Overcast. High 79°, low 58°.

Pressure30.00 inHg
Wind11.1 mph S
Humidity31%
Visibility—
Dew point44°
Wed, 1986° / 55°0Partly cloudy
86 °Partly cloudy

Sumpter, Wednesday, 19 August

Partly cloudy. High 86°, low 55°.

Pressure30.00 inHg
Wind6.5 mph NW
Humidity33%
Visibility—
Dew point44°
Thu, 2084° / 57°0Overcast
84 °Overcast

Sumpter, Thursday, 20 August

Overcast. High 84°, low 57°.

Pressure29.91 inHg
Wind14.3 mph W
Humidity20%
Visibility—
Dew point33°
Fri, 2187° / 51°0Overcast
87 °Overcast

Sumpter, Friday, 21 August

Overcast. High 87°, low 51°.

Pressure29.94 inHg
Wind6.5 mph N
Humidity11%
Visibility—
Dew point17°
Sat, 2291° / 58°0Clear
91 °Clear

Sumpter, Saturday, 22 August

Clear. High 91°, low 58°.

Pressure29.88 inHg
Wind11 mph W
Humidity11%
Visibility—
Dew point22°
Sun, 2388° / 59°0Clear
88 °Clear

Sumpter, Sunday, 23 August

Clear. High 88°, low 59°.

Pressure29.88 inHg
Wind9.5 mph W
Humidity17%
Visibility—
Dew point30°

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.