As of 03:30 PDT

Weather in Mattawa, WA

44°Current weather

Mattawa, Monday, 26 October, 03:30

Overcast. Feels like 44°. High 55°, low 42°.

Pressure30.00 inHg
Wind0.8 mph NW
Humidity85%
Visibility6.2 mi
Dew point40°

Monthly outlook for Mattawa, WA: average high 53.4°, average low 42.1°. That is 0.5° below the climate normal for October. Precipitation is expected on 4 days (about 0.9 inches), against a normal of 4 days and 0.8 inches. The warmest day looks like 9 November (66.6°), the coolest 31 October (36°).

53.4°/42.1°
Average high / low
−0.5°
Below normal
4 / 4
Wet days / normal
0.9 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
26 October – 4 November51.8°55.9°-2.3°
5 November – 14 November56.2°51.3°+2.7°
15 November – 24 Novemberat normal46.4°—

October records over 66 years

91.2°6 October 2014All-time high
23.7°29 October 2019All-time low

Climate normals and records are computed from the nearest reference point — Desert Aire (4 mi).

Tue, 2757° / 40°0Clear
57 °Clear

Mattawa, Tuesday, 27 October

Clear. High 57°, low 40°.

Pressure29.94 inHg
Wind3.5 mph SW
Humidity55%
Visibility6.2 mi
Dew point40°
Wed, 2856° / 41°0Mostly clear
56 °Mostly clear

Mattawa, Wednesday, 28 October

Mostly clear. High 56°, low 41°.

Pressure29.91 inHg
Wind5 mph SW
Humidity53%
Visibility6.2 mi
Dew point36°
Thu, 2950° / 38°0.03Light rain
50 °Light rain

Mattawa, Thursday, 29 October

Light rain. High 50°, low 38°.

Pressure30.03 inHg
Wind3.7 mph NE
Humidity69%
Visibility6.2 mi
Dew point37°
Fri, 3046° / 36°0.02Light rain
46 °Light rain

Mattawa, Friday, 30 October

Light rain. High 46°, low 36°.

Pressure29.97 inHg
Wind2.4 mph N
Humidity72%
Visibility—
Dew point34°
Sat, 3148° / 36°0Overcast
48 °Overcast

Mattawa, Saturday, 31 October

Overcast. High 48°, low 36°.

Pressure30.06 inHg
Wind5.7 mph N
Humidity74%
Visibility—
Dew point34°
Sun, 0155° / 38°0Mostly clear
55 °Mostly clear

Mattawa, Sunday, 1 November

Mostly clear. High 55°, low 38°.

Pressure30.12 inHg
Wind8.9 mph W
Humidity55%
Visibility—
Dew point32°
Mon, 0249° / 37°0Overcast
49 °Overcast

Mattawa, Monday, 2 November

Overcast. High 49°, low 37°.

Pressure30.36 inHg
Wind7 mph NW
Humidity60%
Visibility—
Dew point30°
Tue, 0351° / 41°0.15Light rain
51 °Light rain

Mattawa, Tuesday, 3 November

Light rain. High 51°, low 41°.

Pressure30.00 inHg
Wind6.1 mph NW
Humidity53%
Visibility—
Dew point30°
Wed, 0451° / 41°0.06Light rain
51 °Light rain

Mattawa, Wednesday, 4 November

Light rain. High 51°, low 41°.

Pressure30.03 inHg
Wind4.4 mph N
Humidity78%
Visibility—
Dew point40°
Thu, 0549° / 46°0.48Rain
49 °Rain

Mattawa, Thursday, 5 November

Rain. High 49°, low 46°.

Pressure29.83 inHg
Wind6.4 mph NW
Humidity94%
Visibility—
Dew point45°
Fri, 0657° / 48°0.03Light rain
57 °Light rain

Mattawa, Friday, 6 November

Light rain. High 57°, low 48°.

Pressure29.56 inHg
Wind6.2 mph E
Humidity71%
Visibility—
Dew point45°
Sat, 0755° / 46°0.09Light rain
55 °Light rain

Mattawa, Saturday, 7 November

Light rain. High 55°, low 46°.

Pressure29.53 inHg
Wind17.8 mph SW
Humidity65%
Visibility—
Dew point40°
Sun, 0853° / 44°0Overcast
53 °Overcast

Mattawa, Sunday, 8 November

Overcast. High 53°, low 44°.

Pressure30.03 inHg
Wind6.6 mph SW
Humidity65%
Visibility—
Dew point39°
Mon, 0967° / 48°0Overcast
67 °Overcast

Mattawa, Monday, 9 November

Overcast. High 67°, low 48°.

Pressure30.03 inHg
Wind18.7 mph SW
Humidity62%
Visibility—
Dew point46°
Tue, 1057° / 51°0Overcast
57 °Overcast

Mattawa, Tuesday, 10 November

Overcast. High 57°, low 51°.

Pressure30.12 inHg
Wind7.6 mph W
Humidity58%
Visibility—
Dew point40°
From day 17 onward the outlook is built from 60-year climate statistics
Wed, 1150° / 36°0.05Climate normal
50 °Climate normal

Mattawa, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high50°
Average low36°
Average precipitation0.05 in
Chance of precipitation35%
Record high65° (1990)
Record low20° (1985)
Thu, 1251° / 37°0.05Climate normal
51 °Climate normal

Mattawa, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high51°
Average low37°
Average precipitation0.05 in
Chance of precipitation23%
Record high69° (1999)
Record low10° (1985)
Fri, 1350° / 37°0.06Climate normal
50 °Climate normal

Mattawa, Friday, 13 November

Climate normal for this date — 60-year average.

Average high50°
Average low37°
Average precipitation0.06 in
Chance of precipitation32%
Record high67° (1999)
Record low10° (1985)
Sat, 1451° / 36°0.03Climate normal
51 °Climate normal

Mattawa, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high51°
Average low36°
Average precipitation0.03 in
Chance of precipitation17%
Record high68° (2021)
Record low15° (1985)
Sun, 1549° / 36°0.04Climate normal
49 °Climate normal

Mattawa, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.04 in
Chance of precipitation27%
Record high66° (2021)
Record low19° (2000)
Mon, 1649° / 36°0.04Climate normal
49 °Climate normal

Mattawa, Monday, 16 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.04 in
Chance of precipitation25%
Record high63° (1976)
Record low20° (2000)
Tue, 1749° / 36°0.05Climate normal
49 °Climate normal

Mattawa, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high49°
Average low36°
Average precipitation0.05 in
Chance of precipitation32%
Record high65° (2019)
Record low22° (2000)
Wed, 1848° / 34°0.04Climate normal
48 °Climate normal

Mattawa, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high48°
Average low34°
Average precipitation0.04 in
Chance of precipitation20%
Record high61° (2003)
Record low20° (1987)
Thu, 1947° / 34°0.09Climate normal
47 °Climate normal

Mattawa, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.09 in
Chance of precipitation38%
Record high60° (2002)
Record low-1° (1985)
Fri, 2046° / 34°0.07Climate normal
46 °Climate normal

Mattawa, Friday, 20 November

Climate normal for this date — 60-year average.

Average high46°
Average low34°
Average precipitation0.07 in
Chance of precipitation32%
Record high57° (2017)
Record low9° (1985)
Sat, 2145° / 32°0.05Climate normal
45 °Climate normal

Mattawa, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high45°
Average low32°
Average precipitation0.05 in
Chance of precipitation27%
Record high57° (1989)
Record low2° (1985)
Sun, 2244° / 31°0.06Climate normal
44 °Climate normal

Mattawa, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high44°
Average low31°
Average precipitation0.06 in
Chance of precipitation33%
Record high59° (1988)
Record low7° (1985)
Mon, 2343° / 31°0.05Climate normal
43 °Climate normal

Mattawa, Monday, 23 November

Climate normal for this date — 60-year average.

Average high43°
Average low31°
Average precipitation0.05 in
Chance of precipitation42%
Record high65° (2017)
Record low-10° (1985)
Tue, 2444° / 31°0.07Climate normal
44 °Climate normal

Mattawa, Tuesday, 24 November

Climate normal for this date — 60-year average.

Average high44°
Average low31°
Average precipitation0.07 in
Chance of precipitation38%
Record high60° (1990)
Record low-17° (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 Mattawa, 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 Mattawa, 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.