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Hazardous Weather Conditions

No active alerts for PROSSER, WASHINGTON

Current Conditions: PROSSER, WASHINGTON

Clear


38.7 F
Last Updated on Feb 28 2026, 07:15 PM PST
Humidity: 84%
Wind Speed: 3.4 mph
Barometer: 30.07 in
Dewpoint: 34.2 F
Visibility: 10.00 mi
Precip: --
Heat Index: NA
Wind Chill: 36.3 F
Current conditions at:

SUNNYSIDE (K1S5)

Lat: 46.33 Lon: -119.97

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5 Day Forecast for PROSSER, WASHINGTON (99350)

Saturday
Forecast Missing
High 53 °F
Saturday
Night
Forecast Missing
Low 35 °F
Sunday
Forecast Missing
High 55 °F
Sunday
Night
Forecast Missing
Low 35 °F
Monday
Forecast Missing
High 59 °F
Monday
Night
Forecast Missing
Low 37 °F
Tuesday
Forecast Missing
High 59 °F
Tuesday
Night
Forecast Missing
Low 44 °F
Wednesday
Forecast Missing
High 57 °F



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Observation History for PROSSER, WASHINGTON


Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
07:15 PM PST 3.4 10.00 Clear -- 38.7 34.2 84% 36.3 NA 30.07 1018.3
06:55 PM PST 3.4 10.00 Clear -- 39.0 35.2 86% 36.9 NA 30.07 1018.3
06:35 PM PST 4.7 10.00 Clear -- NULL 35.6 % NA NA 30.06 1018.0
06:15 PM PST NE 3.4 10.00 Clear -- NULL 35.8 % NA NA 30.06 1018.0
05:55 PM PST 0.0 10.00 Clear -- NULL 36.1 % NA NA 30.06 1018.0
05:35 PM PST 0.0 10.00 Clear -- 48.2 34.9 60% NA NA 30.06 1018.0
05:15 PM PST 0.0 10.00 Clear -- 48.7 35.8 61% NA NA 30.06 1017.9
04:55 PM PST 0.0 10.00 Clear -- 50.9 34.9 54% NA NA 30.06 1018.0
04:35 PM PST 0.0 10.00 Clear -- 51.1 35.6 55% NA NA 30.06 1017.9
04:15 PM PST SW 3.4 10.00 Clear -- 51.8 35.4 53% NA NA 30.06 1018.0
03:55 PM PST 3.4 10.00 Clear -- 52.5 35.8 53% NA NA 30.06 1018.0
03:35 PM PST 0.0 10.00 Clear -- 52.9 34.5 50% NA NA 30.06 1018.0
03:15 PM PST 10.00 Clear -- NULL % NA NA M
02:55 PM PST 0.0 10.00 Clear -- 52.7 32.9 47% NA NA 30.07 1018.3
02:35 PM PST 0.0 10.00 Clear -- 52.7 33.3 47% NA NA 30.07 1018.3
02:15 PM PST 0.0 10.00 Clear -- 52.5 33.1 47% NA NA 30.08 1018.6
01:55 PM PST 0.0 10.00 Clear -- 52.3 33.1 48% NA NA 30.09 1019.0
01:35 PM PST 0.0 10.00 Clear -- 52.5 32.5 46% NA NA 30.09 1019.0
09:55 AM PST 0.0 10.00 Clear -- 43.7 33.6 67% NA NA 30.15 1021.0
09:35 AM PST 0.0 10.00 Clear -- 43.3 34.0 69% NA NA 30.15 1021.0
09:15 AM PST 10.00 Clear -- NULL % NA NA M
08:55 AM PST 0.0 10.00 Clear -- 39.6 33.8 80% NA NA 30.15 1021.0
08:35 AM PST 0.0 10.00 Clear -- 36.7 31.6 82% NA NA 30.16 1021.3
08:15 AM PST 10.00 Clear -- NULL % NA NA M

Regional Weather Observation

SUNNYSIDE (K1S5)

Clear
38.7 F

YAGABOND AAF (K1YT)

Clear
44.8 F

YAKIMA (KYKM)

Clear
41.0 F

RICHLAND (KRLD)

Clear
NULL F

PASCO (KPSC)

Clear
42.8 F

HERMISTON (KHRI)

Clear
39.2 F

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