Weather in Ajax, SD
Ajax, Friday, 16 October, 08:28
Clear. Feels like 32°. High 53°, low 33°.
Monthly outlook for Ajax, SD: average high 57°, average low 41.7°. That is 0.3° below the climate normal for October. Precipitation is expected on 3 days (about 0.4 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 17 October (72.1°), the coolest 26 October (33.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 16 October – 25 October | 62.9° | 59.2° | +2° |
| 26 October – 4 November | 47.2° | 53.5° | -3.5° |
| 5 November – 14 November | at normal | 48.7° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hermosa (4 mi).
0Ajax, Saturday, 17 October
Clear. High 72°, low 43°.
0Ajax, Sunday, 18 October
Clear. High 65°, low 48°.
0Ajax, Monday, 19 October
Clear. High 61°, low 41°.
0
Ajax, Tuesday, 20 October
Mostly clear. High 71°, low 44°.
0Ajax, Wednesday, 21 October
Clear. High 66°, low 51°.
0Ajax, Thursday, 22 October
Mostly clear. High 71°, low 47°.
0.1
Ajax, Friday, 23 October
Light rain. High 71°, low 57°.
0Ajax, Saturday, 24 October
Clear. High 55°, low 41°.
0.03
Ajax, Sunday, 25 October
Snow. High 44°, low 38°.
0.02Ajax, Monday, 26 October
Light snow. High 45°, low 33°.
0
Ajax, Tuesday, 27 October
Partly cloudy. High 56°, low 35°.
0.07Ajax, Wednesday, 28 October
Light rain. High 44°, low 41°.
0.11Ajax, Thursday, 29 October
Light rain. High 52°, low 41°.
0
Ajax, Friday, 30 October
Overcast. High 49°, low 38°.
0.02Ajax, Saturday, 31 October
Snow. High 38°, low 36°.
0.05Ajax, Sunday, 1 November
Climate normal for this date — 60-year average.
0.04Ajax, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Ajax, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Ajax, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.03Ajax, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Ajax, Friday, 6 November
Climate normal for this date — 60-year average.
0.03Ajax, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Ajax, Sunday, 8 November
Climate normal for this date — 60-year average.
0.06Ajax, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Ajax, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.02Ajax, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.03Ajax, Thursday, 12 November
Climate normal for this date — 60-year average.
0.04Ajax, Friday, 13 November
Climate normal for this date — 60-year average.
0.02Ajax, Saturday, 14 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 Ajax, 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 Ajax, 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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