Monthly outlook for Columbia, WA: average high 57.2°, average low 40.3°. That is 1.6° above the climate normal for October. Precipitation is expected on 1 day (about 0.2 inches), against a normal of 9 days and 4.9 inches. The warmest day looks like 28 October (61.6°), the coolest 18 October (32.8°).
57.2°/40.3°
Average high / low
+1.6°
Above normal
1 / 9
Wet days / normal
0.2 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
17 October – 26 October
57.8°
55.5°
+1.3°
27 October – 5 November
56.2°
51.8°
+2.4°
6 November – 15 November
at normal
48.9°
—
October records over 66 years
84.2°1 October 1987All-time high
18.9°31 October 1984All-time low
Climate normals and records are computed from the nearest reference point — Everson (9 mi).
Sun, 1856° / 33°0
56 °
Columbia, Sunday, 18 October
Overcast. High 56°, low 33°.
Pressure30.21 inHg
Wind10.1 mph SW
Humidity68%
Visibility6.2 mi
Dew point47°
Mon, 1956° / 43°0
56 °
Columbia, Monday, 19 October
Overcast. High 56°, low 43°.
Pressure30.18 inHg
Wind2.9 mph N
Humidity69%
Visibility0.0 mi
Dew point45°
Tue, 2058° / 39°0
58 °
Columbia, Tuesday, 20 October
Clear. High 58°, low 39°.
Pressure29.94 inHg
Wind2.6 mph W
Humidity74%
Visibility1.8 mi
Dew point46°
Wed, 2161° / 43°0
61 °
Columbia, Wednesday, 21 October
Clear. High 61°, low 43°.
Pressure30.12 inHg
Wind2.1 mph N
Humidity75%
Visibility6.2 mi
Dew point47°
Thu, 2253° / 45°0
53 °
Columbia, Thursday, 22 October
Light rain. High 53°, low 45°.
Pressure30.00 inHg
Wind3 mph W
Humidity88%
Visibility—
Dew point44°
Fri, 2356° / 38°0
56 °
Columbia, Friday, 23 October
Clear. High 56°, low 38°.
Pressure30.33 inHg
Wind4.3 mph N
Humidity46%
Visibility—
Dew point29°
Sat, 2458° / 38°0
58 °
Columbia, Saturday, 24 October
Clear. High 58°, low 38°.
Pressure30.27 inHg
Wind4.3 mph N
Humidity34%
Visibility—
Dew point22°
Sun, 2560° / 40°0
60 °
Columbia, Sunday, 25 October
Clear. High 60°, low 40°.
Pressure30.09 inHg
Wind3.7 mph E
Humidity38%
Visibility—
Dew point27°
Mon, 2658° / 41°0
58 °
Columbia, Monday, 26 October
Overcast. High 58°, low 41°.
Pressure30.21 inHg
Wind3.2 mph W
Humidity42%
Visibility—
Dew point29°
Tue, 2757° / 40°0
57 °
Columbia, Tuesday, 27 October
Clear. High 57°, low 40°.
Pressure30.09 inHg
Wind3.5 mph W
Humidity42%
Visibility—
Dew point29°
Wed, 2862° / 41°0
62 °
Columbia, Wednesday, 28 October
Mostly clear. High 62°, low 41°.
Pressure29.91 inHg
Wind8.6 mph N
Humidity45%
Visibility—
Dew point32°
Thu, 2958° / 41°0
58 °
Columbia, Thursday, 29 October
Clear. High 58°, low 41°.
Pressure29.94 inHg
Wind4.5 mph E
Humidity46%
Visibility—
Dew point31°
Fri, 3056° / 40°0
56 °
Columbia, Friday, 30 October
Clear. High 56°, low 40°.
Pressure30.21 inHg
Wind3.3 mph W
Humidity57%
Visibility—
Dew point36°
Sat, 3157° / 40°0
57 °
Columbia, Saturday, 31 October
Clear. High 57°, low 40°.
Pressure30.24 inHg
Wind2.9 mph SE
Humidity53%
Visibility—
Dew point34°
Sun, 0147° / 44°0.01
47 °
Columbia, Sunday, 1 November
Light rain. High 47°, low 44°.
Pressure30.03 inHg
Wind2.2 mph SE
Humidity78%
Visibility—
Dew point40°
From day 17 onward the outlook is built from 60-year climate statistics
Mon, 0252° / 40°0.32
52 °
Columbia, Monday, 2 November
Climate normal for this date — 60-year average.
Average high52°
Average low40°
Average precipitation0.32 in
Chance of precipitation57%
Record high67° (1962)
Record low30° (2019)
Tue, 0351° / 40°0.39
51 °
Columbia, Tuesday, 3 November
Climate normal for this date — 60-year average.
Average high51°
Average low40°
Average precipitation0.39 in
Chance of precipitation62%
Record high65° (2010)
Record low26° (2017)
Wed, 0452° / 41°0.43
52 °
Columbia, Wednesday, 4 November
Climate normal for this date — 60-year average.
Average high52°
Average low41°
Average precipitation0.43 in
Chance of precipitation60%
Record high66° (1980)
Record low27° (2017)
Thu, 0551° / 40°0.26
51 °
Columbia, Thursday, 5 November
Climate normal for this date — 60-year average.
Average high51°
Average low40°
Average precipitation0.26 in
Chance of precipitation62%
Record high64° (1980)
Record low27° (1971)
Fri, 0649° / 40°0.43
49 °
Columbia, Friday, 6 November
Climate normal for this date — 60-year average.
Average high49°
Average low40°
Average precipitation0.43 in
Chance of precipitation65%
Record high59° (2014)
Record low27° (2017)
Sat, 0749° / 40°0.41
49 °
Columbia, Saturday, 7 November
Climate normal for this date — 60-year average.
Average high49°
Average low40°
Average precipitation0.41 in
Chance of precipitation70%
Record high59° (1962)
Record low26° (2017)
Sun, 0849° / 39°0.3
49 °
Columbia, Sunday, 8 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.3 in
Chance of precipitation58%
Record high68° (2016)
Record low25° (2022)
Mon, 0949° / 39°0.34
49 °
Columbia, Monday, 9 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.34 in
Chance of precipitation60%
Record high62° (1976)
Record low26° (2022)
Tue, 1049° / 39°0.28
49 °
Columbia, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.28 in
Chance of precipitation50%
Record high64° (2016)
Record low26° (2022)
Wed, 1149° / 39°0.36
49 °
Columbia, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.36 in
Chance of precipitation65%
Record high61° (1996)
Record low23° (1985)
Thu, 1249° / 39°0.39
49 °
Columbia, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.39 in
Chance of precipitation70%
Record high59° (1976)
Record low27° (1985)
Fri, 1349° / 39°0.38
49 °
Columbia, Friday, 13 November
Climate normal for this date — 60-year average.
Average high49°
Average low39°
Average precipitation0.38 in
Chance of precipitation65%
Record high64° (1967)
Record low26° (1982)
Sat, 1448° / 38°0.38
48 °
Columbia, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.38 in
Chance of precipitation62%
Record high62° (1999)
Record low27° (1964)
Sun, 1548° / 38°0.41
48 °
Columbia, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high48°
Average low38°
Average precipitation0.41 in
Chance of precipitation68%
Record high58° (1999)
Record low30° (2014)
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 Columbia, 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 Columbia, 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.