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Pasco, WA Weather Forecast


Pasco, WA Weather Forecast Dated: 252 PM Fri Sep 18 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Friday, September 18, 2026
Mid-Morning
67°F 19°C
Cloudy
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
76°F 24°C
Sunny
Warm and summery near 80°F 27°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
67°F 20°C
Sunny
Mid-Afternoon
83°F 28°C
Sunny
Early-Evening
78°F 25°C
Partly Cloudy
Balmy with temperatures reaching 83°F 28°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
70°F 21°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
79°F 27°C
Sunny
Quite warm around 86°F 30°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Monday, September 21, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
88°F 31°C
Sunny
Early-Evening
81°F 27°C
Overcast
Warm temperatures up to 88°F 31°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
79°F 26°C
Cloudy
Early-Evening
74°F 24°C
Partly Cloudy
Mild with a high of 79°F 26°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
63°F 17°C
Overcast
Mid-Afternoon
79°F 26°C
Partly Cloudy
Early-Evening
74°F 23°C
Overcast
Pleasant near 79°F 26°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
67°F 20°C
Overcast
Mid-Afternoon
79°F 26°C
Overcast
Early-Evening
74°F 23°C
Overcast
Comfortable with temperatures reaching 79°F 26°C, overcast throughout the day, with steady humidity and steady pressure.
Friday, September 25, 2026
Mid-Morning
69°F 20°C
Overcast
Mid-Afternoon
78°F 25°C
Overcast
Early-Evening
66°F 19°C
Overcast
Enjoyable around 78°F 25°C, overcast throughout the day, with steady humidity and steady pressure. Winds picking up from SE at 6 mph 9 km/h to SW at 20 mph 32 km/h. Gusts up to 28 mph 45 km/h.
Saturday, September 26, 2026
Mid-Morning
64°F 18°C
Partly Cloudy
Mid-Afternoon
73°F 23°C
Overcast
Early-Evening
63°F 18°C
Overcast
Mild temperatures up to 73°F 23°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling. Winds building from W at 5 mph 8 km/h to SW at 16 mph 26 km/h. Gusts up to 25 mph 40 km/h.
Sunday, September 27, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
63°F 17°C
Partly Cloudy
Mild with a high of 69°F 21°C, cloudy in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SW to the SSW at 13 mph 21 km/h. Gusts up to 22 mph 35 km/h.
Monday, September 28, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
65°F 18°C
Sunny
Pleasant near 70°F 21°C, sunny throughout the day, with lower humidity and steady pressure.
Tuesday, September 29, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny throughout the day, with lower humidity and steady pressure. Winds swinging from the SW to the WSW at 10 mph 15 km/h.
Wednesday, September 30, 2026
Mid-Morning
56°F 14°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
66°F 19°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the SW to the ESE at 5 mph 8 km/h.
Thursday, October 1, 2026
Mid-Morning
60°F 16°C
Sunny
Mid-Afternoon
76°F 24°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 76°F 24°C, sunny throughout the day, with steady humidity and steady pressure.
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