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As of 16:36 PDT

Weather in Duncan, OR

91°Current weather

Duncan, Saturday, 8 August, 16:36

Partly cloudy. Feels like 89°. High 91°, low 60°.

Pressure29.91 inHg
Wind5 mph SW
Humidity27%
Visibility6.2 mi
Dew point53°
Sun, 0986° / 53°0Overcast
86 °Overcast

Duncan, Sunday, 9 August

Overcast. High 86°, low 53°.

Pressure29.91 inHg
Wind8.9 mph W
Humidity14%
Visibility6.2 mi
Dew point29°
Mon, 1086° / 53°0Clear
86 °Clear

Duncan, Monday, 10 August

Clear. High 86°, low 53°.

Pressure29.94 inHg
Wind9.8 mph W
Humidity19%
Visibility6.2 mi
Dew point34°
Tue, 1188° / 59°0Clear
88 °Clear

Duncan, Tuesday, 11 August

Clear. High 88°, low 59°.

Pressure29.97 inHg
Wind8.5 mph NW
Humidity18%
Visibility6.2 mi
Dew point35°
Wed, 1284° / 60°0Clear
84 °Clear

Duncan, Wednesday, 12 August

Clear. High 84°, low 60°.

Pressure29.91 inHg
Wind10.6 mph W
Humidity31%
Visibility6.2 mi
Dew point44°
Thu, 1380° / 56°0Clear
80 °Clear

Duncan, Thursday, 13 August

Clear. High 80°, low 56°.

Pressure29.88 inHg
Wind8.5 mph NW
Humidity31%
Visibility—
Dew point41°
Fri, 1486° / 57°0Clear
86 °Clear

Duncan, Friday, 14 August

Clear. High 86°, low 57°.

Pressure29.94 inHg
Wind8.3 mph NW
Humidity19%
Visibility—
Dew point33°
Sat, 1588° / 65°0Overcast
88 °Overcast

Duncan, Saturday, 15 August

Overcast. High 88°, low 65°.

Pressure30.03 inHg
Wind8.6 mph NW
Humidity31%
Visibility—
Dew point40°
Sun, 1687° / 60°0.01Light rain
87 °Light rain

Duncan, Sunday, 16 August

Light rain. High 87°, low 60°.

Pressure30.00 inHg
Wind10.2 mph NW
Humidity26%
Visibility—
Dew point45°
Mon, 1793° / 63°0Partly cloudy
93 °Partly cloudy

Duncan, Monday, 17 August

Partly cloudy. High 93°, low 63°.

Pressure30.00 inHg
Wind10 mph NW
Humidity20%
Visibility—
Dew point39°
Tue, 1881° / 63°0.21Rain
81 °Rain

Duncan, Tuesday, 18 August

Rain. High 81°, low 63°.

Pressure30.15 inHg
Wind9.4 mph SE
Humidity84%
Visibility—
Dew point60°
Wed, 1993° / 61°0Partly cloudy
93 °Partly cloudy

Duncan, Wednesday, 19 August

Partly cloudy. High 93°, low 61°.

Pressure29.97 inHg
Wind8 mph NW
Humidity27%
Visibility—
Dew point46°
Thu, 2088° / 64°0Clear
88 °Clear

Duncan, Thursday, 20 August

Clear. High 88°, low 64°.

Pressure29.97 inHg
Wind7.2 mph NW
Humidity26%
Visibility—
Dew point42°
Fri, 2189° / 63°0Clear
89 °Clear

Duncan, Friday, 21 August

Clear. High 89°, low 63°.

Pressure30.00 inHg
Wind7.7 mph NW
Humidity27%
Visibility—
Dew point43°
Sat, 2293° / 65°0Clear
93 °Clear

Duncan, Saturday, 22 August

Clear. High 93°, low 65°.

Pressure29.94 inHg
Wind8.6 mph N
Humidity22%
Visibility—
Dew point42°
Sun, 2398° / 70°0.01Light rain
98 °Light rain

Duncan, Sunday, 23 August

Light rain. High 98°, low 70°.

Pressure29.85 inHg
Wind4.3 mph S
Humidity21%
Visibility—
Dew point45°

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 Duncan, 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 Duncan, 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.