As of 02:05 PDT

Weather in Prosser, WA

34°Current weather

Prosser, Tuesday, 13 October, 02:05

Clear. Feels like 34°. High 63°, low 34°.

Pressure30.09 inHg
Wind0.5 mph E
Humidity78%
Visibility6.2 mi
Dew point29°

Monthly outlook for Prosser, WA: average high 63.7°, average low 44.1°. That is 0.4° above the climate normal for October. Precipitation is expected on 1 day (about 0.1 inches), against a normal of 3 days and 0.4 inches. The warmest day looks like 16 October (73.4°), the coolest 13 October (34.2°).

63.7°/44.1°
Average high / low
+0.4°
Above normal
1 / 3
Wet days / normal
0.1 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
13 October – 22 October65.7°64.8°+0.5°
23 October – 1 November60.5°58.4°+1.2°
2 November – 11 Novemberat normal53.7°—

October records over 66 years

90.3°6 October 2014All-time high
21.6°30 October 2019All-time low
Wed, 1470° / 46°0Mostly clear
70 °Mostly clear

Prosser, Wednesday, 14 October

Mostly clear. High 70°, low 46°.

Pressure30.24 inHg
Wind4.6 mph SW
Humidity34%
Visibility6.2 mi
Dew point35°
Thu, 1571° / 49°0Clear
71 °Clear

Prosser, Thursday, 15 October

Clear. High 71°, low 49°.

Pressure30.42 inHg
Wind1.3 mph NE
Humidity37%
Visibility6.2 mi
Dew point40°
Fri, 1673° / 51°0Clear
73 °Clear

Prosser, Friday, 16 October

Clear. High 73°, low 51°.

Pressure30.24 inHg
Wind1.1 mph SE
Humidity31%
Visibility6.2 mi
Dew point35°
Sat, 1769° / 50°0Overcast
69 °Overcast

Prosser, Saturday, 17 October

Overcast. High 69°, low 50°.

Pressure30.06 inHg
Wind8.9 mph W
Humidity45%
Visibility—
Dew point41°
Sun, 1865° / 45°0Clear
65 °Clear

Prosser, Sunday, 18 October

Clear. High 65°, low 45°.

Pressure30.00 inHg
Wind4.7 mph SE
Humidity38%
Visibility—
Dew point30°
Mon, 1960° / 46°0Light rain
60 °Light rain

Prosser, Monday, 19 October

Light rain. High 60°, low 46°.

Pressure29.77 inHg
Wind8.8 mph SW
Humidity50%
Visibility—
Dew point37°
Tue, 2061° / 43°0Overcast
61 °Overcast

Prosser, Tuesday, 20 October

Overcast. High 61°, low 43°.

Pressure30.00 inHg
Wind5.8 mph W
Humidity55%
Visibility—
Dew point38°
Wed, 2161° / 42°0Partly cloudy
61 °Partly cloudy

Prosser, Wednesday, 21 October

Partly cloudy. High 61°, low 42°.

Pressure30.18 inHg
Wind9.7 mph S
Humidity52%
Visibility—
Dew point35°
Thu, 2264° / 46°0.05Light rain
64 °Light rain

Prosser, Thursday, 22 October

Light rain. High 64°, low 46°.

Pressure30.06 inHg
Wind16.6 mph NW
Humidity46%
Visibility—
Dew point37°
Fri, 2359° / 41°0Clear
59 °Clear

Prosser, Friday, 23 October

Clear. High 59°, low 41°.

Pressure30.39 inHg
Wind4 mph W
Humidity49%
Visibility—
Dew point33°
Sat, 2462° / 42°0Mostly clear
62 °Mostly clear

Prosser, Saturday, 24 October

Mostly clear. High 62°, low 42°.

Pressure30.42 inHg
Wind13.3 mph S
Humidity45%
Visibility—
Dew point32°
Sun, 2561° / 41°0Partly cloudy
61 °Partly cloudy

Prosser, Sunday, 25 October

Partly cloudy. High 61°, low 41°.

Pressure30.39 inHg
Wind11.2 mph N
Humidity48%
Visibility—
Dew point33°
Mon, 2659° / 42°0Mostly clear
59 °Mostly clear

Prosser, Monday, 26 October

Mostly clear. High 59°, low 42°.

Pressure30.36 inHg
Wind9.2 mph NE
Humidity29%
Visibility—
Dew point21°
Tue, 2760° / 43°0Clear
60 °Clear

Prosser, Tuesday, 27 October

Clear. High 60°, low 43°.

Pressure30.30 inHg
Wind10.5 mph NE
Humidity30%
Visibility—
Dew point23°
Wed, 2862° / 43°0Clear
62 °Clear

Prosser, Wednesday, 28 October

Clear. High 62°, low 43°.

Pressure30.00 inHg
Wind5.1 mph S
Humidity35%
Visibility—
Dew point27°
From day 17 onward the outlook is built from 60-year climate statistics
Thu, 2957° / 40°0.05Climate normal
57 °Climate normal

Prosser, Thursday, 29 October

Climate normal for this date — 60-year average.

Average high57°
Average low40°
Average precipitation0.05 in
Chance of precipitation25%
Record high74° (1965)
Record low24° (1971)
Fri, 3056° / 39°0.04Climate normal
56 °Climate normal

Prosser, Friday, 30 October

Climate normal for this date — 60-year average.

Average high56°
Average low39°
Average precipitation0.04 in
Chance of precipitation23%
Record high71° (1967)
Record low22° (2019)
Sat, 3156° / 40°0.05Climate normal
56 °Climate normal

Prosser, Saturday, 31 October

Climate normal for this date — 60-year average.

Average high56°
Average low40°
Average precipitation0.05 in
Chance of precipitation22%
Record high72° (1967)
Record low23° (2006)
Sun, 0155° / 39°0.05Climate normal
55 °Climate normal

Prosser, Sunday, 1 November

Climate normal for this date — 60-year average.

Average high55°
Average low39°
Average precipitation0.05 in
Chance of precipitation28%
Record high68° (1965)
Record low21° (2002)
Mon, 0255° / 39°0.03Climate normal
55 °Climate normal

Prosser, Monday, 2 November

Climate normal for this date — 60-year average.

Average high55°
Average low39°
Average precipitation0.03 in
Chance of precipitation17%
Record high67° (1993)
Record low23° (2002)
Tue, 0356° / 39°0.02Climate normal
56 °Climate normal

Prosser, Tuesday, 3 November

Climate normal for this date — 60-year average.

Average high56°
Average low39°
Average precipitation0.02 in
Chance of precipitation17%
Record high71° (1983)
Record low24° (2002)
Wed, 0456° / 40°0.06Climate normal
56 °Climate normal

Prosser, Wednesday, 4 November

Climate normal for this date — 60-year average.

Average high56°
Average low40°
Average precipitation0.06 in
Chance of precipitation27%
Record high70° (2020)
Record low26° (2003)
Thu, 0555° / 39°0.04Climate normal
55 °Climate normal

Prosser, Thursday, 5 November

Climate normal for this date — 60-year average.

Average high55°
Average low39°
Average precipitation0.04 in
Chance of precipitation23%
Record high69° (2012)
Record low22° (2003)
Fri, 0654° / 38°0.05Climate normal
54 °Climate normal

Prosser, Friday, 6 November

Climate normal for this date — 60-year average.

Average high54°
Average low38°
Average precipitation0.05 in
Chance of precipitation28%
Record high70° (2006)
Record low23° (2003)
Sat, 0754° / 38°0.06Climate normal
54 °Climate normal

Prosser, Saturday, 7 November

Climate normal for this date — 60-year average.

Average high54°
Average low38°
Average precipitation0.06 in
Chance of precipitation27%
Record high71° (1978)
Record low22° (1973)
Sun, 0852° / 37°0.04Climate normal
52 °Climate normal

Prosser, Sunday, 8 November

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.04 in
Chance of precipitation25%
Record high64° (1995)
Record low28° (2003)
Mon, 0952° / 37°0.03Climate normal
52 °Climate normal

Prosser, Monday, 9 November

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.03 in
Chance of precipitation18%
Record high66° (2016)
Record low24° (2020)
Tue, 1052° / 37°0.05Climate normal
52 °Climate normal

Prosser, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.05 in
Chance of precipitation25%
Record high67° (1989)
Record low20° (1986)
Wed, 1152° / 37°0.04Climate normal
52 °Climate normal

Prosser, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high52°
Average low37°
Average precipitation0.04 in
Chance of precipitation22%
Record high69° (1990)
Record low22° (1985)

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 Prosser, 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 Prosser, 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.