Weather in Lake Mathews, CA
Lake Mathews, Sunday, 15 November, 01:30
Partly cloudy. Feels like 51°. High 69°, low 52°.
Monthly outlook for Lake Mathews, CA: average high 65.5°, average low 51.3°. That is 1.8° below the climate normal for November. Precipitation is expected on 6 days (about 2.4 inches), against a normal of 3 days and 1.1 inches. The warmest day looks like 24 November (69.9°), the coolest 20 November (46.6°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 November – 24 November | 64.6° | 69.6° | -2.8° |
| 25 November – 4 December | 67° | 66.8° | +0.1° |
| 5 December – 14 December | at normal | 64.8° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Riverside (8 mi).
0.07
Lake Mathews, Monday, 16 November
Light rain. High 67°, low 55°.
0.18Lake Mathews, Tuesday, 17 November
Rain. High 63°, low 50°.
0
Lake Mathews, Wednesday, 18 November
Clear. High 63°, low 47°.
1.19Lake Mathews, Thursday, 19 November
Rain. High 58°, low 50°.
0.05Lake Mathews, Friday, 20 November
Light rain. High 60°, low 47°.
0Lake Mathews, Saturday, 21 November
Clear. High 65°, low 49°.
0
Lake Mathews, Sunday, 22 November
Overcast. High 64°, low 50°.
0Lake Mathews, Monday, 23 November
Overcast. High 66°, low 51°.
0Lake Mathews, Tuesday, 24 November
Overcast. High 70°, low 53°.
0.74Lake Mathews, Wednesday, 25 November
Heavy rain. High 67°, low 53°.
0.17Lake Mathews, Thursday, 26 November
Rain. High 64°, low 52°.
0Lake Mathews, Friday, 27 November
Clear. High 67°, low 55°.
0Lake Mathews, Saturday, 28 November
Clear. High 69°, low 53°.
0Lake Mathews, Sunday, 29 November
Clear. High 69°, low 53°.
0Lake Mathews, Monday, 30 November
Clear. High 66°, low 52°.
0.02
Lake Mathews, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.03Lake Mathews, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.09Lake Mathews, Thursday, 3 December
Climate normal for this date — 60-year average.
0.1
Lake Mathews, Friday, 4 December
Climate normal for this date — 60-year average.
0.07Lake Mathews, Saturday, 5 December
Climate normal for this date — 60-year average.
0.11Lake Mathews, Sunday, 6 December
Climate normal for this date — 60-year average.
0.12Lake Mathews, Monday, 7 December
Climate normal for this date — 60-year average.
0.04Lake Mathews, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.03Lake Mathews, Wednesday, 9 December
Climate normal for this date — 60-year average.
0.04Lake Mathews, Thursday, 10 December
Climate normal for this date — 60-year average.
0.06Lake Mathews, Friday, 11 December
Climate normal for this date — 60-year average.
0.07Lake Mathews, Saturday, 12 December
Climate normal for this date — 60-year average.
0.06Lake Mathews, Sunday, 13 December
Climate normal for this date — 60-year average.
0.05Lake Mathews, Monday, 14 December
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 Lake Mathews, 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 Lake Mathews, 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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