Weather in Ajax, SD
Ajax, Thursday, 15 October, 20:06
Mostly clear. Feels like 31°. High 52°, low 42°.
Monthly outlook for Ajax, SD: average high 56.9°, average low 40.2°. That is 0.5° below the climate normal for October. Precipitation is expected on 3 days (about 1.3 inches), against a normal of 3 days and 0.7 inches. The warmest day looks like 17 October (76°), the coolest 28 October (24.2°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 15 October – 24 October | 62.6° | 59.3° | +1.9° |
| 25 October – 3 November | 47.5° | 54° | -3.6° |
| 4 November – 13 November | at normal | 49.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Hermosa (4 mi).
0
Ajax, Friday, 16 October
Clear. High 58°, low 33°.
0Ajax, Saturday, 17 October
Clear. High 76°, low 43°.
0
Ajax, Sunday, 18 October
Overcast. High 64°, low 50°.
0Ajax, Monday, 19 October
Clear. High 63°, low 40°.
0Ajax, Tuesday, 20 October
Overcast. High 69°, low 47°.
0
Ajax, Wednesday, 21 October
Partly cloudy. High 70°, low 54°.
0Ajax, Thursday, 22 October
Overcast. High 72°, low 55°.
0.81
Ajax, Friday, 23 October
Rain. High 60°, low 42°.
0.03
Ajax, Saturday, 24 October
Snow. High 41°, low 39°.
0
Ajax, Sunday, 25 October
Mostly clear. High 48°, low 33°.
0Ajax, Monday, 26 October
Clear. High 46°, low 32°.
0.37Ajax, Tuesday, 27 October
Snow. High 35°, low 32°.
0Ajax, Wednesday, 28 October
Partly cloudy. High 44°, low 24°.
0Ajax, Thursday, 29 October
Overcast. High 52°, low 40°.
0Ajax, Friday, 30 October
Overcast. High 60°, low 37°.
0.03Ajax, Saturday, 31 October
Climate normal for this date — 60-year average.
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.
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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