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As of 02:40 PDT

Weather in Coulee City, WA

61°Current weather

Coulee City, Sunday, 9 August, 02:40

Clear. Feels like 59°. High 85°, low 60°.

Pressure29.88 inHg
Wind6.8 mph NW
Humidity44%
Visibility6.2 mi
Dew point39°
Mon, 1091° / 58°0Clear
91 °Clear

Coulee City, Monday, 10 August

Clear. High 91°, low 58°.

Pressure29.88 inHg
Wind4.7 mph S
Humidity19%
Visibility6.2 mi
Dew point36°
Tue, 1191° / 61°0Clear
91 °Clear

Coulee City, Tuesday, 11 August

Clear. High 91°, low 61°.

Pressure29.94 inHg
Wind3.8 mph SW
Humidity22%
Visibility6.2 mi
Dew point40°
Wed, 1290° / 64°0Clear
90 °Clear

Coulee City, Wednesday, 12 August

Clear. High 90°, low 64°.

Pressure29.83 inHg
Wind3.2 mph NW
Humidity26%
Visibility6.2 mi
Dew point45°
Thu, 1389° / 65°0Clear
89 °Clear

Coulee City, Thursday, 13 August

Clear. High 89°, low 65°.

Pressure29.77 inHg
Wind19.6 mph N
Humidity19%
Visibility—
Dew point37°
Fri, 1491° / 64°0Mostly clear
91 °Mostly clear

Coulee City, Friday, 14 August

Mostly clear. High 91°, low 64°.

Pressure29.83 inHg
Wind11.8 mph N
Humidity18%
Visibility—
Dew point38°
Sat, 1593° / 68°0Clear
93 °Clear

Coulee City, Saturday, 15 August

Clear. High 93°, low 68°.

Pressure29.85 inHg
Wind10 mph S
Humidity16%
Visibility—
Dew point37°
Sun, 1691° / 67°0Overcast
91 °Overcast

Coulee City, Sunday, 16 August

Overcast. High 91°, low 67°.

Pressure29.80 inHg
Wind15.8 mph S
Humidity16%
Visibility—
Dew point35°
Mon, 1768° / 60°0.05Light rain
68 °Light rain

Coulee City, Monday, 17 August

Light rain. High 68°, low 60°.

Pressure29.97 inHg
Wind15.3 mph SW
Humidity78%
Visibility—
Dew point55°
Tue, 1879° / 53°0Overcast
79 °Overcast

Coulee City, Tuesday, 18 August

Overcast. High 79°, low 53°.

Pressure29.91 inHg
Wind6.6 mph SW
Humidity31%
Visibility—
Dew point40°
Wed, 1984° / 61°0Partly cloudy
84 °Partly cloudy

Coulee City, Wednesday, 19 August

Partly cloudy. High 84°, low 61°.

Pressure29.91 inHg
Wind8 mph N
Humidity25%
Visibility—
Dew point41°
Thu, 2086° / 68°0Overcast
86 °Overcast

Coulee City, Thursday, 20 August

Overcast. High 86°, low 68°.

Pressure29.83 inHg
Wind13.8 mph SW
Humidity25%
Visibility—
Dew point44°
Fri, 2183° / 66°0.01Light rain
83 °Light rain

Coulee City, Friday, 21 August

Light rain. High 83°, low 66°.

Pressure29.77 inHg
Wind13.3 mph W
Humidity28%
Visibility—
Dew point44°
Sat, 2276° / 61°0.1Light rain
76 °Light rain

Coulee City, Saturday, 22 August

Light rain. High 76°, low 61°.

Pressure29.85 inHg
Wind8.3 mph NW
Humidity34%
Visibility—
Dew point44°
Sun, 2380° / 58°0Partly cloudy
80 °Partly cloudy

Coulee City, Sunday, 23 August

Partly cloudy. High 80°, low 58°.

Pressure30.00 inHg
Wind8.8 mph S
Humidity40%
Visibility—
Dew point44°
Mon, 2465° / 58°0.23Rain
65 °Rain

Coulee City, Monday, 24 August

Rain. High 65°, low 58°.

Pressure29.85 inHg
Wind8.4 mph NE
Humidity68%
Visibility—
Dew point51°

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 Coulee City, WA 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 Coulee City, WA 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.