Weather in Allen, CA
Allen, Tuesday, 20 October, 02:16
Overcast. Feels like 27°. High 56°, low 34°.
Monthly outlook for Allen, CA: average high 48.3°, average low 32.8°. That is 0.4° below the climate normal for October. Precipitation is expected on 7 days (about 3.8 inches), against a normal of 3 days and 1.4 inches. The warmest day looks like 25 October (58.3°), the coolest 30 October (28.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 53.7° | 50.1° | +2° |
| 30 October – 8 November | 39.2° | 45.8° | -3.7° |
| 9 November – 18 November | at normal | 40.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Kirkwood (6 mi).
0.2
Allen, Wednesday, 21 October
Rain. High 51°, low 34°.
0.27Allen, Thursday, 22 October
Rain. High 43°, low 31°.
0
Allen, Friday, 23 October
Clear. High 51°, low 30°.
0Allen, Saturday, 24 October
Clear. High 58°, low 31°.
0Allen, Sunday, 25 October
Overcast. High 58°, low 34°.
0Allen, Monday, 26 October
Overcast. High 57°, low 37°.
0Allen, Tuesday, 27 October
Overcast. High 56°, low 36°.
0Allen, Wednesday, 28 October
Clear. High 56°, low 36°.
0Allen, Thursday, 29 October
Overcast. High 51°, low 36°.
0.5
Allen, Friday, 30 October
Snow. High 36°, low 28°.
1.19Allen, Saturday, 31 October
Snow. High 33°, low 30°.
0.39Allen, Sunday, 1 November
Rain. High 38°, low 33°.
0Allen, Monday, 2 November
Overcast. High 48°, low 33°.
0.15Allen, Tuesday, 3 November
Light rain. High 47°, low 32°.
1.11Allen, Wednesday, 4 November
Snow. High 34°, low 30°.
0.1
Allen, Thursday, 5 November
Climate normal for this date — 60-year average.
0.11
Allen, Friday, 6 November
Climate normal for this date — 60-year average.
0.11
Allen, Saturday, 7 November
Climate normal for this date — 60-year average.
0.17Allen, Sunday, 8 November
Climate normal for this date — 60-year average.
0.13Allen, Monday, 9 November
Climate normal for this date — 60-year average.
0.15Allen, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.15Allen, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.13Allen, Thursday, 12 November
Climate normal for this date — 60-year average.
0.19Allen, Friday, 13 November
Climate normal for this date — 60-year average.
0.15Allen, Saturday, 14 November
Climate normal for this date — 60-year average.
0.07Allen, Sunday, 15 November
Climate normal for this date — 60-year average.
0.18Allen, Monday, 16 November
Climate normal for this date — 60-year average.
0.24Allen, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.15Allen, Wednesday, 18 November
Climate normal for this date — 60-year average.
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.
Sun and moon today
Weather history
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