Weather in Folsom, SD
Folsom, Tuesday, 20 October, 07:04
Clear. Feels like 40°. High 74°, low 44°.
Monthly outlook for Folsom, SD: average high 61.5°, average low 40.9°. That is 3° above the climate normal for October. Precipitation is expected on 0 days (about 0.0 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 23 October (81.6°), the coolest 27 October (28.9°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 62.3° | 58.2° | +2.2° |
| 30 October – 8 November | 60.2° | 52.3° | +4.4° |
| 9 November – 18 November | at normal | 47.5° | — |
October records over 66 years
0
Folsom, Wednesday, 21 October
Clear. High 69°, low 46°.
0
Folsom, Thursday, 22 October
Mostly clear. High 81°, low 52°.
0.01
Folsom, Friday, 23 October
Light rain. High 82°, low 58°.
0.02Folsom, Saturday, 24 October
Light rain. High 64°, low 45°.
0Folsom, Sunday, 25 October
Clear. High 58°, low 39°.
0
Folsom, Monday, 26 October
Overcast. High 48°, low 35°.
0Folsom, Tuesday, 27 October
Clear. High 43°, low 29°.
0Folsom, Wednesday, 28 October
Clear. High 53°, low 30°.
0Folsom, Thursday, 29 October
Overcast. High 51°, low 35°.
0Folsom, Friday, 30 October
Overcast. High 53°, low 35°.
0Folsom, Saturday, 31 October
Overcast. High 50°, low 36°.
0.01Folsom, Sunday, 1 November
Light rain. High 56°, low 39°.
0Folsom, Monday, 2 November
Overcast. High 65°, low 45°.
0Folsom, Tuesday, 3 November
Overcast. High 63°, low 41°.
0Folsom, Wednesday, 4 November
Overcast. High 74°, low 47°.
0.03Folsom, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Folsom, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Folsom, Saturday, 7 November
Climate normal for this date — 60-year average.
0.05Folsom, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05
Folsom, 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.
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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