Weather in Fairfax, SD
Fairfax, Tuesday, 20 October, 16:03
Clear. Feels like 69°. High 70°, low 43°.
Monthly outlook for Fairfax, SD: average high 58.9°, average low 42.1°. That is 1.7° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 23 October (77.2°), the coolest 29 October (29.5°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 20 October – 29 October | 59.2° | 58° | +0.6° |
| 30 October – 8 November | 58.4° | 52° | +3.5° |
| 9 November – 18 November | at normal | 47.1° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Butte (8 mi).
0
Fairfax, Wednesday, 21 October
Mostly clear. High 70°, low 48°.
0Fairfax, Thursday, 22 October
Clear. High 75°, low 49°.
0
Fairfax, Friday, 23 October
Overcast. High 77°, low 61°.
0.48
Fairfax, Saturday, 24 October
Rain. High 67°, low 49°.
0.68Fairfax, Sunday, 25 October
Rain. High 50°, low 45°.
0.15Fairfax, Monday, 26 October
Rain. High 44°, low 34°.
0Fairfax, Tuesday, 27 October
Overcast. High 42°, low 30°.
0Fairfax, Wednesday, 28 October
Clear. High 52°, low 30°.
0Fairfax, Thursday, 29 October
Mostly clear. High 45°, low 30°.
0Fairfax, Friday, 30 October
Overcast. High 58°, low 40°.
0.04Fairfax, Saturday, 31 October
Light rain. High 62°, low 48°.
0Fairfax, Sunday, 1 November
Overcast. High 61°, low 50°.
0Fairfax, Monday, 2 November
Clear. High 52°, low 39°.
0
Fairfax, Tuesday, 3 November
Partly cloudy. High 67°, low 40°.
0Fairfax, Wednesday, 4 November
Overcast. High 51°, low 38°.
0.03Fairfax, Thursday, 5 November
Climate normal for this date — 60-year average.
0.02Fairfax, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Fairfax, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Fairfax, Sunday, 8 November
Climate normal for this date — 60-year average.
0.09Fairfax, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Fairfax, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.06Fairfax, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.05Fairfax, Thursday, 12 November
Climate normal for this date — 60-year average.
0.03Fairfax, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Fairfax, Saturday, 14 November
Climate normal for this date — 60-year average.
0.06Fairfax, Sunday, 15 November
Climate normal for this date — 60-year average.
0.05Fairfax, Monday, 16 November
Climate normal for this date — 60-year average.
0.04Fairfax, Tuesday, 17 November
Climate normal for this date — 60-year average.
0.05Fairfax, 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 Fairfax, 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 Fairfax, 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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