Weather in Folsom, SD
Folsom, Friday, 23 October, 17:10
Clear. Feels like 80°. High 80°, low 55°.
Monthly outlook for Folsom, SD: average high 58°, average low 43°. That is 1.9° above the climate normal for October. Precipitation is expected on 3 days (about 1.6 inches), against a normal of 2 days and 0.5 inches. The warmest day looks like 23 October (80.3°), the coolest 27 October (31.8°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 23 October – 1 November | 56.4° | 55.9° | +0.3° |
| 2 November – 11 November | 60.7° | 50.4° | +5.7° |
| 12 November – 21 November | at normal | 47.1° | — |
October records over 66 years
0Folsom, Saturday, 24 October
Clear. High 56°, low 36°.
0.03
Folsom, Sunday, 25 October
Light rain. High 45°, low 38°.
0.55
Folsom, Monday, 26 October
Snow. High 39°, low 32°.
0.02Folsom, Tuesday, 27 October
Light rain. High 49°, low 32°.
0
Folsom, Wednesday, 28 October
Partly cloudy. High 62°, low 33°.
0
Folsom, Thursday, 29 October
Mostly clear. High 52°, low 44°.
0
Folsom, Friday, 30 October
Overcast. High 66°, low 44°.
0Folsom, Saturday, 31 October
Partly cloudy. High 62°, low 49°.
0.09Folsom, Sunday, 1 November
Light rain. High 53°, low 47°.
0.91Folsom, Monday, 2 November
Rain. High 50°, low 42°.
0Folsom, Tuesday, 3 November
Clear. High 52°, low 39°.
0Folsom, Wednesday, 4 November
Overcast. High 72°, low 45°.
0Folsom, Thursday, 5 November
Clear. High 71°, low 53°.
0Folsom, Friday, 6 November
Overcast. High 62°, low 50°.
0Folsom, Saturday, 7 November
Overcast. High 58°, low 48°.
0.05Folsom, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Folsom, Monday, 9 November
Climate normal for this date — 60-year average.
0.03Folsom, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Folsom, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Folsom, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Folsom, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Folsom, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Folsom, Sunday, 15 November
Climate normal for this date — 60-year average.
0.02Folsom, Monday, 16 November
Climate normal for this date — 60-year average.
0.02Folsom, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.03Folsom, Wednesday, 18 November
Climate normal for this date — 60-year average.
0.03Folsom, Thursday, 19 November
Climate normal for this date — 60-year average.
0.02Folsom, Friday, 20 November
Climate normal for this date — 60-year average.
0.02Folsom, Saturday, 21 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 Folsom, SD 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 Folsom, SD 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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