Weather in Island Mountain, CA
Island Mountain, Tuesday, 10 November, 08:57
Clear. Feels like 52°. High 72°, low 48°.
Monthly outlook for Island Mountain, CA: average high 58°, average low 42°. That is 0.7° above the climate normal for November. Precipitation is expected on 8 days (about 7.6 inches), against a normal of 6 days and 3.7 inches. The warmest day looks like 12 November (76.9°), the coolest 22 November (35.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 November – 19 November | 59.5° | 57.7° | +1° |
| 20 November – 29 November | 55.4° | 54.8° | +0.4° |
| 30 November – 9 December | at normal | 53° | — |
November records over 66 years
Climate normals and records are computed from the nearest reference point — Mina (8 mi).
0Island Mountain, Wednesday, 11 November
Clear. High 74°, low 46°.
0
Island Mountain, Thursday, 12 November
Overcast. High 77°, low 44°.
1.51
Island Mountain, Friday, 13 November
Heavy rain. High 57°, low 47°.
0
Island Mountain, Saturday, 14 November
Partly cloudy. High 60°, low 40°.
1.07Island Mountain, Sunday, 15 November
Rain. High 53°, low 46°.
0.36Island Mountain, Monday, 16 November
Rain. High 50°, low 40°.
0.07Island Mountain, Tuesday, 17 November
Light rain. High 55°, low 41°.
1.34Island Mountain, Wednesday, 18 November
Heavy rain. High 46°, low 41°.
0Island Mountain, Thursday, 19 November
Overcast. High 51°, low 38°.
0Island Mountain, Friday, 20 November
Clear. High 61°, low 36°.
0Island Mountain, Saturday, 21 November
Clear. High 59°, low 37°.
0Island Mountain, Sunday, 22 November
Clear. High 60°, low 36°.
0.04Island Mountain, Monday, 23 November
Light rain. High 49°, low 37°.
1.64Island Mountain, Tuesday, 24 November
Rain. High 50°, low 46°.
1.53Island Mountain, Wednesday, 25 November
Heavy rain. High 54°, low 50°.
0.14Island Mountain, Thursday, 26 November
Climate normal for this date — 60-year average.
0.2
Island Mountain, Friday, 27 November
Climate normal for this date — 60-year average.
0.19Island Mountain, Saturday, 28 November
Climate normal for this date — 60-year average.
0.29Island Mountain, Sunday, 29 November
Climate normal for this date — 60-year average.
0.23Island Mountain, Monday, 30 November
Climate normal for this date — 60-year average.
0.3Island Mountain, Tuesday, 1 December
Climate normal for this date — 60-year average.
0.37Island Mountain, Wednesday, 2 December
Climate normal for this date — 60-year average.
0.28Island Mountain, Thursday, 3 December
Climate normal for this date — 60-year average.
0.24Island Mountain, Friday, 4 December
Climate normal for this date — 60-year average.
0.23Island Mountain, Saturday, 5 December
Climate normal for this date — 60-year average.
0.3Island Mountain, Sunday, 6 December
Climate normal for this date — 60-year average.
0.26Island Mountain, Monday, 7 December
Climate normal for this date — 60-year average.
0.25Island Mountain, Tuesday, 8 December
Climate normal for this date — 60-year average.
0.19Island Mountain, Wednesday, 9 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 Island Mountain, 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 Island Mountain, 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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