As of 03:08 PDT

Weather in Umtanum, WA

30°Current weather

Umtanum, Saturday, 24 October, 03:08

Clear. Feels like 26°. High 53°, low 30°.

Pressure30.27 inHg
Wind3.4 mph E
Humidity93%
Visibility6.2 mi
Dew point28°

Monthly outlook for Umtanum, WA: average high 51.5°, average low 35.7°. That is 0.5° below the climate normal for October. Precipitation is expected on 4 days (about 0.6 inches), against a normal of 5 days and 1.0 inches. The warmest day looks like 7 November (56.4°), the coolest 24 October (29.6°).

51.5°/35.7°
Average high / low
−0.5°
Below normal
4 / 5
Wet days / normal
0.6 in
Precipitation this month

Ten-day blocks vs climate normal

PeriodForecast highNormalDifference
24 October – 2 November51°53.8°-1.6°
3 November – 12 November52.3°49.2°+1.7°
13 November – 22 Novemberat normal44.8°—

October records over 66 years

87.8°6 October 2014All-time high
17.6°30 October 1991All-time low

Climate normals and records are computed from the nearest reference point — Hillside Siding (9 mi).

Sun, 2554° / 44°0.15Rain
54 °Rain

Umtanum, Sunday, 25 October

Rain. High 54°, low 44°.

Pressure30.00 inHg
Wind1 mph N
Humidity43%
Visibility6.2 mi
Dew point29°
Mon, 2650° / 38°0.16Rain
50 °Rain

Umtanum, Monday, 26 October

Rain. High 50°, low 38°.

Pressure30.03 inHg
Wind0.6 mph E
Humidity88%
Visibility6.2 mi
Dew point42°
Tue, 2752° / 35°0.05Light rain
52 °Light rain

Umtanum, Tuesday, 27 October

Light rain. High 52°, low 35°.

Pressure30.00 inHg
Wind2.2 mph N
Humidity69%
Visibility6.2 mi
Dew point40°
Wed, 2850° / 36°0.03Light rain
50 °Light rain

Umtanum, Wednesday, 28 October

Light rain. High 50°, low 36°.

Pressure29.97 inHg
Wind4.1 mph S
Humidity74%
Visibility—
Dew point36°
Thu, 2948° / 32°0Partly cloudy
48 °Partly cloudy

Umtanum, Thursday, 29 October

Partly cloudy. High 48°, low 32°.

Pressure29.88 inHg
Wind6.4 mph SE
Humidity72%
Visibility—
Dew point34°
Fri, 3048° / 30°0Overcast
48 °Overcast

Umtanum, Friday, 30 October

Overcast. High 48°, low 30°.

Pressure30.12 inHg
Wind5.9 mph NW
Humidity53%
Visibility—
Dew point25°
Sat, 3153° / 32°0Partly cloudy
53 °Partly cloudy

Umtanum, Saturday, 31 October

Partly cloudy. High 53°, low 32°.

Pressure30.09 inHg
Wind5 mph NW
Humidity46%
Visibility—
Dew point24°
Sun, 0151° / 30°0Clear
51 °Clear

Umtanum, Sunday, 1 November

Clear. High 51°, low 30°.

Pressure30.39 inHg
Wind6.8 mph E
Humidity49%
Visibility—
Dew point24°
Mon, 0251° / 30°0Clear
51 °Clear

Umtanum, Monday, 2 November

Clear. High 51°, low 30°.

Pressure30.53 inHg
Wind5 mph N
Humidity42%
Visibility—
Dew point20°
Tue, 0354° / 35°0Overcast
54 °Overcast

Umtanum, Tuesday, 3 November

Overcast. High 54°, low 35°.

Pressure30.45 inHg
Wind4.8 mph SE
Humidity30%
Visibility—
Dew point16°
Wed, 0452° / 39°0Overcast
52 °Overcast

Umtanum, Wednesday, 4 November

Overcast. High 52°, low 39°.

Pressure30.18 inHg
Wind4.1 mph N
Humidity32%
Visibility—
Dew point18°
Thu, 0553° / 37°0Overcast
53 °Overcast

Umtanum, Thursday, 5 November

Overcast. High 53°, low 37°.

Pressure30.09 inHg
Wind6.6 mph E
Humidity43%
Visibility—
Dew point25°
Fri, 0648° / 42°0.13Light rain
48 °Light rain

Umtanum, Friday, 6 November

Light rain. High 48°, low 42°.

Pressure29.71 inHg
Wind4.9 mph SE
Humidity66%
Visibility—
Dew point37°
Sat, 0756° / 39°0Partly cloudy
56 °Partly cloudy

Umtanum, Saturday, 7 November

Partly cloudy. High 56°, low 39°.

Pressure30.12 inHg
Wind5.7 mph N
Humidity57%
Visibility—
Dew point35°
Sun, 0851° / 43°0.03Light rain
51 °Light rain

Umtanum, Sunday, 8 November

Light rain. High 51°, low 43°.

Pressure30.21 inHg
Wind4.8 mph E
Humidity65%
Visibility—
Dew point36°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0948° / 34°0.06Climate normal
48 °Climate normal

Umtanum, Monday, 9 November

Climate normal for this date — 60-year average.

Average high48°
Average low34°
Average precipitation0.06 in
Chance of precipitation30%
Record high61° (2016)
Record low24° (1986)
Tue, 1048° / 33°0.06Climate normal
48 °Climate normal

Umtanum, Tuesday, 10 November

Climate normal for this date — 60-year average.

Average high48°
Average low33°
Average precipitation0.06 in
Chance of precipitation28%
Record high63° (1989)
Record low9° (1986)
Wed, 1148° / 33°0.06Climate normal
48 °Climate normal

Umtanum, Wednesday, 11 November

Climate normal for this date — 60-year average.

Average high48°
Average low33°
Average precipitation0.06 in
Chance of precipitation35%
Record high63° (1990)
Record low1° (1985)
Thu, 1248° / 33°0.08Climate normal
48 °Climate normal

Umtanum, Thursday, 12 November

Climate normal for this date — 60-year average.

Average high48°
Average low33°
Average precipitation0.08 in
Chance of precipitation25%
Record high65° (1999)
Record low-3° (1985)
Fri, 1347° / 34°0.09Climate normal
47 °Climate normal

Umtanum, Friday, 13 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.09 in
Chance of precipitation37%
Record high64° (1999)
Record low12° (1985)
Sat, 1447° / 34°0.06Climate normal
47 °Climate normal

Umtanum, Saturday, 14 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.06 in
Chance of precipitation22%
Record high62° (2021)
Record low10° (1964)
Sun, 1547° / 34°0.06Climate normal
47 °Climate normal

Umtanum, Sunday, 15 November

Climate normal for this date — 60-year average.

Average high47°
Average low34°
Average precipitation0.06 in
Chance of precipitation32%
Record high58° (2021)
Record low13° (1964)
Mon, 1646° / 34°0.06Climate normal
46 °Climate normal

Umtanum, Monday, 16 November

Climate normal for this date — 60-year average.

Average high46°
Average low34°
Average precipitation0.06 in
Chance of precipitation37%
Record high61° (1976)
Record low17° (1964)
Tue, 1746° / 33°0.08Climate normal
46 °Climate normal

Umtanum, Tuesday, 17 November

Climate normal for this date — 60-year average.

Average high46°
Average low33°
Average precipitation0.08 in
Chance of precipitation42%
Record high61° (1976)
Record low17° (1987)
Wed, 1845° / 31°0.05Climate normal
45 °Climate normal

Umtanum, Wednesday, 18 November

Climate normal for this date — 60-year average.

Average high45°
Average low31°
Average precipitation0.05 in
Chance of precipitation27%
Record high57° (2008)
Record low14° (1994)
Thu, 1944° / 31°0.12Climate normal
44 °Climate normal

Umtanum, Thursday, 19 November

Climate normal for this date — 60-year average.

Average high44°
Average low31°
Average precipitation0.12 in
Chance of precipitation50%
Record high56° (1989)
Record low-5° (1985)
Fri, 2044° / 31°0.09Climate normal
44 °Climate normal

Umtanum, Friday, 20 November

Climate normal for this date — 60-year average.

Average high44°
Average low31°
Average precipitation0.09 in
Chance of precipitation33%
Record high54° (1971)
Record low10° (1985)
Sat, 2142° / 29°0.07Climate normal
42 °Climate normal

Umtanum, Saturday, 21 November

Climate normal for this date — 60-year average.

Average high42°
Average low29°
Average precipitation0.07 in
Chance of precipitation32%
Record high54° (1989)
Record low1° (1985)
Sun, 2241° / 28°0.09Climate normal
41 °Climate normal

Umtanum, Sunday, 22 November

Climate normal for this date — 60-year average.

Average high41°
Average low28°
Average precipitation0.09 in
Chance of precipitation37%
Record high54° (1990)
Record low6° (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 Umtanum, 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 Umtanum, 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.