Monthly outlook for Walla Walla, WA: average high 64.1°, average low 46°. That is 3.5° above the climate normal for October. Precipitation is expected on 2 days (about 0.2 inches), against a normal of 6 days and 1.6 inches. The warmest day looks like 16 October (73.3°), the coolest 16 October (38.8°).
64.1°/46°
Average high / low
+3.5°
Above normal
2 / 6
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
15 October – 24 October
64.3°
59.6°
+2.6°
25 October – 3 November
63.7°
53.6°
+5.6°
4 November – 13 November
at normal
49.9°
—
October records over 66 years
88.3°2 October 1975All-time high
10.6°30 October 1991All-time low
Climate normals and records are computed from the nearest reference point — Kooskooskie (11 mi).
Fri, 1673° / 39°0
73 °
Walla Walla, Friday, 16 October
Partly cloudy. High 73°, low 39°.
Pressure30.30 inHg
Wind1.6 mph W
Humidity33%
Visibility6.2 mi
Dew point35°
Sat, 1770° / 45°0
70 °
Walla Walla, Saturday, 17 October
Overcast. High 70°, low 45°.
Pressure30.18 inHg
Wind9.3 mph SW
Humidity43%
Visibility6.2 mi
Dew point45°
Sun, 1866° / 44°0
66 °
Walla Walla, Sunday, 18 October
Clear. High 66°, low 44°.
Pressure30.09 inHg
Wind3 mph W
Humidity33%
Visibility6.2 mi
Dew point30°
Mon, 1965° / 48°0
65 °
Walla Walla, Monday, 19 October
Overcast. High 65°, low 48°.
Pressure29.83 inHg
Wind1.3 mph SW
Humidity32%
Visibility6.2 mi
Dew point27°
Tue, 2062° / 46°0
62 °
Walla Walla, Tuesday, 20 October
Overcast. High 62°, low 46°.
Pressure30.03 inHg
Wind2.3 mph E
Humidity43%
Visibility—
Dew point31°
Wed, 2158° / 47°0.03
58 °
Walla Walla, Wednesday, 21 October
Light rain. High 58°, low 47°.
Pressure29.97 inHg
Wind5.3 mph SE
Humidity56%
Visibility—
Dew point38°
Thu, 2263° / 51°0
63 °
Walla Walla, Thursday, 22 October
Overcast. High 63°, low 51°.
Pressure29.94 inHg
Wind15.1 mph SW
Humidity43%
Visibility—
Dew point37°
Fri, 2360° / 46°0
60 °
Walla Walla, Friday, 23 October
Light rain. High 60°, low 46°.
Pressure30.21 inHg
Wind17.2 mph SW
Humidity39%
Visibility—
Dew point30°
Sat, 2457° / 42°0
57 °
Walla Walla, Saturday, 24 October
Clear. High 57°, low 42°.
Pressure30.53 inHg
Wind7.7 mph SW
Humidity51%
Visibility—
Dew point33°
Sun, 2558° / 42°0
58 °
Walla Walla, Sunday, 25 October
Clear. High 58°, low 42°.
Pressure30.47 inHg
Wind4.9 mph SE
Humidity25%
Visibility—
Dew point17°
Mon, 2667° / 47°0
67 °
Walla Walla, Monday, 26 October
Overcast. High 67°, low 47°.
Pressure30.15 inHg
Wind11.2 mph SW
Humidity25%
Visibility—
Dew point24°
Tue, 2771° / 59°0.07
71 °
Walla Walla, Tuesday, 27 October
Light rain. High 71°, low 59°.
Pressure29.97 inHg
Wind14.5 mph SW
Humidity49%
Visibility—
Dew point46°
Wed, 2867° / 51°0.07
67 °
Walla Walla, Wednesday, 28 October
Light rain. High 67°, low 51°.
Pressure30.21 inHg
Wind19.5 mph SW
Humidity49%
Visibility—
Dew point42°
Thu, 2962° / 47°0
62 °
Walla Walla, Thursday, 29 October
Clear. High 62°, low 47°.
Pressure30.36 inHg
Wind5.4 mph NW
Humidity30%
Visibility—
Dew point25°
Fri, 3057° / 42°0
57 °
Walla Walla, Friday, 30 October
Clear. High 57°, low 42°.
Pressure30.30 inHg
Wind5.7 mph NW
Humidity36%
Visibility—
Dew point25°
From day 17 onward the outlook is built from 60-year climate statistics
Sat, 3152° / 38°0.17
52 °
Walla Walla, Saturday, 31 October
Climate normal for this date — 60-year average.
Average high52°
Average low38°
Average precipitation0.17 in
Chance of precipitation52%
Record high71° (1988)
Record low18° (2002)
Sun, 0152° / 37°0.18
52 °
Walla Walla, Sunday, 1 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.18 in
Chance of precipitation48%
Record high73° (1965)
Record low18° (2002)
Mon, 0252° / 37°0.11
52 °
Walla Walla, Monday, 2 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.11 in
Chance of precipitation43%
Record high66° (1981)
Record low8° (1991)
Tue, 0353° / 37°0.07
53 °
Walla Walla, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high53°
Average low37°
Average precipitation0.07 in
Chance of precipitation30%
Record high67° (1975)
Record low10° (1973)
Wed, 0453° / 38°0.17
53 °
Walla Walla, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high53°
Average low38°
Average precipitation0.17 in
Chance of precipitation52%
Record high69° (1975)
Record low19° (1973)
Thu, 0552° / 37°0.17
52 °
Walla Walla, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high52°
Average low37°
Average precipitation0.17 in
Chance of precipitation52%
Record high67° (1975)
Record low20° (2003)
Fri, 0651° / 37°0.17
51 °
Walla Walla, Friday, 6 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.17 in
Chance of precipitation57%
Record high68° (2012)
Record low21° (2003)
Sat, 0751° / 37°0.19
51 °
Walla Walla, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high51°
Average low37°
Average precipitation0.19 in
Chance of precipitation50%
Record high66° (1999)
Record low25° (2003)
Sun, 0849° / 36°0.13
49 °
Walla Walla, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.13 in
Chance of precipitation47%
Record high66° (2016)
Record low22° (1994)
Mon, 0949° / 36°0.11
49 °
Walla Walla, Monday, 9 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.11 in
Chance of precipitation52%
Record high64° (2016)
Record low19° (1986)
Tue, 1049° / 36°0.1
49 °
Walla Walla, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.1 in
Chance of precipitation45%
Record high64° (1989)
Record low3° (1986)
Wed, 1149° / 35°0.13
49 °
Walla Walla, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high49°
Average low35°
Average precipitation0.13 in
Chance of precipitation43%
Record high67° (1990)
Record low3° (2000)
Thu, 1249° / 36°0.17
49 °
Walla Walla, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high49°
Average low36°
Average precipitation0.17 in
Chance of precipitation42%
Record high72° (1999)
Record low4° (1985)
Fri, 1348° / 35°0.15
48 °
Walla Walla, Friday, 13 November
Climate normal for this date — 60-year average.
Average high48°
Average low35°
Average precipitation0.15 in
Chance of precipitation57%
Record high70° (1999)
Record low5° (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 Walla Walla, 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 Walla Walla, 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.