Monthly outlook for Allen, CA: average high 44.1°, average low 31.3°. That is 1.3° below the climate normal for October. Precipitation is expected on 9 days (about 8.3 inches), against a normal of 4 days and 1.6 inches. The warmest day looks like 28 October (51°), the coolest 9 November (21.3°).
44.1°/31.3°
Average high / low
−1.3°
Below normal
9 / 4
Wet days / normal
8.3 in
Precipitation this month
Ten-day blocks vs climate normal
Period
Forecast high
Normal
Difference
25 October – 3 November
44.6°
47.6°
-1.7°
4 November – 13 November
43.3°
43.2°
+0.1°
14 November – 23 November
at normal
39°
—
October records over 66 years
77°1 October 1980All-time high
6.1°18 October 1984All-time low
Climate normals and records are computed from the nearest reference point — Kirkwood (6 mi).
Mon, 2646° / 28°0
46 °
Allen, Monday, 26 October
Clear. High 46°, low 28°.
Pressure30.12 inHg
Wind13.6 mph SW
Humidity51%
Visibility6.2 mi
Dew point26°
Tue, 2748° / 24°0
48 °
Allen, Tuesday, 27 October
Clear. High 48°, low 24°.
Pressure29.97 inHg
Wind13 mph SW
Humidity46%
Visibility6.2 mi
Dew point18°
Wed, 2851° / 29°0
51 °
Allen, Wednesday, 28 October
Overcast. High 51°, low 29°.
Pressure29.97 inHg
Wind5.4 mph SW
Humidity39%
Visibility6.2 mi
Dew point12°
Thu, 2944° / 35°0.03
44 °
Allen, Thursday, 29 October
Light rain. High 44°, low 35°.
Pressure29.91 inHg
Wind8.9 mph S
Humidity60%
Visibility6.2 mi
Dew point25°
Fri, 3041° / 30°0.04
41 °
Allen, Friday, 30 October
Light rain. High 41°, low 30°.
Pressure29.88 inHg
Wind11.7 mph SW
Humidity67%
Visibility—
Dew point29°
Sat, 3136° / 30°0.33
36 °
Allen, Saturday, 31 October
Snow. High 36°, low 30°.
Pressure29.97 inHg
Wind8.9 mph SW
Humidity80%
Visibility—
Dew point30°
Sun, 0145° / 30°0.04
45 °
Allen, Sunday, 1 November
Snow. High 45°, low 30°.
Pressure29.91 inHg
Wind6.5 mph E
Humidity77%
Visibility—
Dew point31°
Mon, 0246° / 29°0.36
46 °
Allen, Monday, 2 November
Rain. High 46°, low 29°.
Pressure29.97 inHg
Wind6 mph E
Humidity71%
Visibility—
Dew point35°
Tue, 0340° / 36°2.21
40 °
Allen, Tuesday, 3 November
Heavy rain. High 40°, low 36°.
Pressure29.97 inHg
Wind9.9 mph S
Humidity98%
Visibility—
Dew point37°
Wed, 0445° / 39°0.25
45 °
Allen, Wednesday, 4 November
Rain. High 45°, low 39°.
Pressure30.03 inHg
Wind11.4 mph SW
Humidity81%
Visibility—
Dew point37°
Thu, 0542° / 38°2.41
42 °
Allen, Thursday, 5 November
Heavy rain. High 42°, low 38°.
Pressure29.97 inHg
Wind20.9 mph S
Humidity89%
Visibility—
Dew point37°
Fri, 0640° / 39°1.46
40 °
Allen, Friday, 6 November
Rain. High 40°, low 39°.
Pressure29.91 inHg
Wind17.3 mph SW
Humidity99%
Visibility—
Dew point39°
Sat, 0750° / 35°0.08
50 °
Allen, Saturday, 7 November
Light rain. High 50°, low 35°.
Pressure30.00 inHg
Wind7 mph SW
Humidity71%
Visibility—
Dew point35°
Sun, 0847° / 35°0.01
47 °
Allen, Sunday, 8 November
Light rain. High 47°, low 35°.
Pressure30.03 inHg
Wind11.5 mph S
Humidity49%
Visibility—
Dew point26°
Mon, 0936° / 21°1.09
36 °
Allen, Monday, 9 November
Snow. High 36°, low 21°.
Pressure30.09 inHg
Wind8.3 mph S
Humidity100%
Visibility—
Dew point33°
From day 17 onward the outlook is built from 60-year climate statistics
Tue, 1042° / 24°0.15
42 °
Allen, Tuesday, 10 November
Climate normal for this date — 60-year average.
Average high42°
Average low24°
Average precipitation0.15 in
Chance of precipitation33%
Record high60° (1990)
Record low7° (2012)
Wed, 1142° / 23°0.15
42 °
Allen, Wednesday, 11 November
Climate normal for this date — 60-year average.
Average high42°
Average low23°
Average precipitation0.15 in
Chance of precipitation33%
Record high58° (1990)
Record low0° (2000)
Thu, 1242° / 24°0.13
42 °
Allen, Thursday, 12 November
Climate normal for this date — 60-year average.
Average high42°
Average low24°
Average precipitation0.13 in
Chance of precipitation28%
Record high58° (2019)
Record low1° (2000)
Fri, 1341° / 23°0.19
41 °
Allen, Friday, 13 November
Climate normal for this date — 60-year average.
Average high41°
Average low23°
Average precipitation0.19 in
Chance of precipitation30%
Record high62° (1995)
Record low-2° (1985)
Sat, 1441° / 23°0.15
41 °
Allen, Saturday, 14 November
Climate normal for this date — 60-year average.
Average high41°
Average low23°
Average precipitation0.15 in
Chance of precipitation30%
Record high62° (1995)
Record low-1° (1964)
Sun, 1540° / 23°0.07
40 °
Allen, Sunday, 15 November
Climate normal for this date — 60-year average.
Average high40°
Average low23°
Average precipitation0.07 in
Chance of precipitation22%
Record high56° (1995)
Record low2° (2000)
Mon, 1640° / 24°0.18
40 °
Allen, Monday, 16 November
Climate normal for this date — 60-year average.
Average high40°
Average low24°
Average precipitation0.18 in
Chance of precipitation32%
Record high59° (2008)
Record low4° (2015)
Tue, 1740° / 23°0.24
40 °
Allen, Tuesday, 17 November
Climate normal for this date — 60-year average.
Average high40°
Average low23°
Average precipitation0.24 in
Chance of precipitation32%
Record high64° (2019)
Record low7° (1994)
Wed, 1839° / 22°0.15
39 °
Allen, Wednesday, 18 November
Climate normal for this date — 60-year average.
Average high39°
Average low22°
Average precipitation0.15 in
Chance of precipitation35%
Record high61° (2019)
Record low5° (1988)
Thu, 1939° / 21°0.11
39 °
Allen, Thursday, 19 November
Climate normal for this date — 60-year average.
Average high39°
Average low21°
Average precipitation0.11 in
Chance of precipitation32%
Record high57° (1989)
Record low1° (1985)
Fri, 2038° / 21°0.16
38 °
Allen, Friday, 20 November
Climate normal for this date — 60-year average.
Average high38°
Average low21°
Average precipitation0.16 in
Chance of precipitation33%
Record high59° (1995)
Record low5° (2000)
Sat, 2137° / 21°0.16
37 °
Allen, Saturday, 21 November
Climate normal for this date — 60-year average.
Average high37°
Average low21°
Average precipitation0.16 in
Chance of precipitation38%
Record high52° (1989)
Record low7° (1964)
Sun, 2237° / 21°0.17
37 °
Allen, Sunday, 22 November
Climate normal for this date — 60-year average.
Average high37°
Average low21°
Average precipitation0.17 in
Chance of precipitation30%
Record high53° (1995)
Record low-2° (2003)
Mon, 2338° / 20°0.18
38 °
Allen, Monday, 23 November
Climate normal for this date — 60-year average.
Average high38°
Average low20°
Average precipitation0.18 in
Chance of precipitation27%
Record high60° (1995)
Record low5° (1973)
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 Allen, CA 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 Allen, CA 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.