Prosser, WA Current Weather Conditions

Current weather observations and 72-hour history for Prosser, WA. • View 5-Day Forecast ›

▼Current Conditions — Prosser, WA

SUNNYSIDE (K1S5)

Clear

45.5 F

Humidity:	94%
Wind Speed:	3.4 mph
Barometer:	29.99 in
Dewpoint:	43.9 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	44.2 F

Sep 24 2026, 04:55 AM PDT

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▼Hourly Observation History — Prosser, WA

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
04:55 AM PDT	3.4	10.00	Clear	--	45.5	43.9	94%	44.2	NA	29.99	1015.6
04:35 AM PDT	0.0	10.00	Clear	--	44.8	43.2	94%	NA	NA	29.99	1015.6
04:15 AM PDT	0.0	10.00	Clear	--	45.3	43.3	93%	NA	NA	29.99	1015.6
03:55 AM PDT	0.0	10.00	Clear	--	45.1	43.3	93%	NA	NA	30.00	1015.9
03:35 AM PDT	0.0	10.00	Clear	--	45.5	43.7	93%	NA	NA	30.01	1016.3
03:15 AM PDT	3.4	10.00	Clear	--	45.7	43.9	93%	44.4	NA	30.01	1016.3
02:55 AM PDT	0.0	10.00	Clear	--	47.1	44.8	92%	NA	NA	30.01	1016.3
02:35 AM PDT	0.0	10.00	Clear	--	46.6	44.1	91%	NA	NA	30.01	1016.3
02:15 AM PDT		10.00	Clear	--	NULL		%	NA	NA		M
01:55 AM PDT	0.0	10.00	Clear	--	47.3	45.3	93%	NA	NA	30.01	1016.3
01:35 AM PDT	0.0	10.00	Clear	--	47.5	45.0	91%	NA	NA	30.01	1016.3
01:15 AM PDT		10.00	Clear	--	NULL		%	NA	NA		M
12:55 AM PDT	0.0	10.00	Clear	--	49.6	46.4	89%	NA	NA	30.02	1016.6
12:35 AM PDT	0.0	10.00	Clear	--	48.6	45.9	90%	NA	NA	30.01	1016.3
12:15 AM PDT	3.4	10.00	Clear	--	50.2	45.9	85%	NA	NA	30.02	1016.6
11:55 PM PDT	0.0	10.00	Clear	--	50.2	46.2	86%	NA	NA	30.02	1016.6
11:35 PM PDT	0.0	10.00	Clear	--	50.0	46.6	88%	NA	NA	30.02	1016.6
11:15 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
10:55 PM PDT	0.0	10.00	Clear	--	50.7	46.9	87%	NA	NA	30.01	1016.3
10:35 PM PDT	0.0	10.00	Clear	--	53.2	47.1	80%	NA	NA	30.01	1016.3
10:15 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
09:55 PM PDT	0.0	10.00	Clear	--	53.1	46.4	78%	NA	NA	30.01	1016.3
09:35 PM PDT	0.0	10.00	Clear	--	55.6	46.9	73%	NA	NA	30.01	1016.3
09:15 PM PDT	0.0	10.00	Clear	--	55.0	47.5	76%	NA	NA	30.01	1016.3
08:55 PM PDT	0.0	10.00	Clear	--	55.8	46.9	72%	NA	NA	30.01	1016.3
08:35 PM PDT	0.0	10.00	Clear	--	NULL	47.8	%	NA	NA	30.01	1016.3
08:15 PM PDT	6.9	10.00	Clear	--	NULL	47.7	%	NA	NA	30.00	1015.9
07:55 PM PDT	5.8	10.00	Clear	--	NULL	51.1	%	NA	NA	30.00	1015.9
07:35 PM PDT	5.8	10.00	Clear	--	NULL	54.5	%	NA	NA	29.99	1015.6
07:15 PM PDT	3.4	10.00	Clear	--	NULL		%	NA	NA	29.99	1015.6
06:55 PM PDT	0.0	10.00	Clear	--	67.3	51.1	56%	NA	NA	29.99	1015.6
06:35 PM PDT	0.0	10.00	Clear	--	69.6	49.8	49%	NA	NA	29.99	1015.6
06:15 PM PDT	0.0	10.00	NULL	--	71.6	46.4	41%	NA	70.3	29.99	1015.6
05:55 PM PDT	0.0	10.00	Clear	--	71.8	51.3	48%	NA	70.9	29.99	1015.6
05:35 PM PDT	0.0	10.00	Clear	--	73.4		%	NA	NA	30.00	1015.9
05:15 PM PDT	0.0	10.00	Clear	--	72.5	46.0	39%	NA	71.2	30.00	1015.9
04:55 PM PDT	0.0	10.00	Clear	--	71.2		%	NA	NA	30.00	1015.9
04:35 PM PDT	E 3.4	10.00	Clear	--	73.4	46.9	39%	NA	72.3	30.01	1016.3
04:15 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
03:55 PM PDT	0.0	10.00	Clear	--	72.3	45.1	38%	NA	71.1	30.02	1016.6
03:35 PM PDT	0.0	10.00	Clear	--	72.3	47.3	41%	NA	71.2	30.03	1016.9
03:15 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
02:55 PM PDT	5.8	10.00	Clear	--	70.0	48.0	46%	NA	NA	30.04	1017.3
02:35 PM PDT	3.4	10.00	Clear	--	70.7	47.8	44%	NA	69.6	30.04	1017.3
02:15 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
01:55 PM PDT	0.0	10.00	Clear	--	69.8	44.8	41%	NA	NA	30.04	1017.3
01:35 PM PDT	0.0	10.00	Clear	--	68.9	46.6	45%	NA	NA	30.04	1017.3
01:15 PM PDT	0.0	10.00	Clear	--	68.0	46.6	46%	NA	NA	30.05	1017.6
12:55 PM PDT	0.0	10.00	Clear	--	67.3	46.2	47%	NA	NA	30.05	1017.6
12:35 PM PDT	0.0	NULL	NULL	--	66.7	46.8	49%	NA	NA	30.06	1017.9
12:15 PM PDT		10.00	Clear	--	NULL		%	NA	NA		M
11:55 AM PDT	0.0	10.00	Clear	--	66.7	48.0	51%	NA	NA	30.07	1018.3
11:35 AM PDT	0.0	10.00	Clear	--	64.9	46.2	51%	NA	NA	30.08	1018.6
11:15 AM PDT	0.0	10.00	Clear	--	63.5	48.0	57%	NA	NA	30.08	1018.6
10:55 AM PDT	0.0	10.00	NULL	--	62.1	47.7	59%	NA	NA	30.09	1019.0
10:35 AM PDT	3.4	10.00	Clear	--	60.4	47.5	62%	NA	NA	30.09	1019.0
10:15 AM PDT	0.0	10.00	Clear	--	59.4	46.4	62%	NA	NA	30.08	1018.6
09:55 AM PDT	0.0	10.00	Clear	--	58.6	46.0	63%	NA	NA	30.08	1018.6
09:35 AM PDT	0.0	10.00	Clear	--	57.2	47.5	70%	NA	NA	30.08	1018.6
09:15 AM PDT	0.0	10.00	Clear	--	55.8	48.2	76%	NA	NA	30.07	1018.3
08:55 AM PDT	0.0	10.00	Clear	--	52.9	48.9	86%	NA	NA	30.07	1018.3
08:35 AM PDT	0.0	10.00	Clear	--	51.4	48.4	89%	NA	NA	30.06	1018.0
08:15 AM PDT	0.0	10.00	Clear	--	49.3	47.3	93%	NA	NA	30.06	1018.0
07:55 AM PDT	0.0	10.00	Clear	--	46.9	45.0	93%	NA	NA	30.06	1018.0
07:35 AM PDT	0.0	10.00	Clear	--	46.8	44.4	92%	NA	NA	30.05	1017.6
07:15 AM PDT		10.00	Clear	--	NULL		%	NA	NA		M
06:55 AM PDT	NE 3.4	10.00	Clear	--	46.2	43.9	91%	45.1	NA	30.04	1017.3
06:35 AM PDT	0.0	10.00	Clear	--	45.5	43.7	93%	NA	NA	30.03	1016.9
06:15 AM PDT		10.00	Clear	--	NULL		%	NA	NA		M
05:55 AM PDT	0.0	10.00	Clear	--	44.8	43.2	94%	NA	NA	30.03	1016.9
05:35 AM PDT	0.0	10.00	Clear	--	44.6	42.8	93%	NA	NA	30.02	1016.6
05:15 AM PDT	0.0	10.00	Clear	--	45.5	43.2	91%	NA	NA	30.02	1016.6