Weather in Ammon, WY
Ammon, Thursday, 8 October, 20:26
Clear. Feels like 61°. High 81°, low 46°.
Monthly outlook for Ammon, WY: average high 63.2°, average low 42.6°. That is 2.7° above the climate normal for October. Precipitation is expected on 7 days (about 1.1 inches), against a normal of 3 days and 0.8 inches. The warmest day looks like 9 October (83.8°), the coolest 17 October (28.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 October – 17 October | 64.4° | 58.9° | +3.1° |
| 18 October – 27 October | 61° | 56.5° | +2.5° |
| 28 October – 6 November | at normal | 49.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lost Springs (14 mi).
0
Ammon, Friday, 9 October
Clear. High 84°, low 50°.
0.01
Ammon, Saturday, 10 October
Light rain. High 81°, low 56°.
0.15Ammon, Sunday, 11 October
Rain. High 68°, low 54°.
0.08Ammon, Monday, 12 October
Light rain. High 73°, low 46°.
0.15Ammon, Tuesday, 13 October
Light rain. High 57°, low 42°.
0.06Ammon, Wednesday, 14 October
Light rain. High 49°, low 44°.
0.48
Ammon, Thursday, 15 October
Snow. High 47°, low 35°.
0.09Ammon, Friday, 16 October
Light snow. High 41°, low 30°.
0Ammon, Saturday, 17 October
Clear. High 63°, low 29°.
0
Ammon, Sunday, 18 October
Mostly clear. High 56°, low 40°.
0.04Ammon, Monday, 19 October
Snow. High 50°, low 37°.
0Ammon, Tuesday, 20 October
Clear. High 65°, low 42°.
0Ammon, Wednesday, 21 October
Clear. High 64°, low 46°.
0Ammon, Thursday, 22 October
Clear. High 59°, low 41°.
0Ammon, Friday, 23 October
Clear. High 73°, low 43°.
0.05
Ammon, Saturday, 24 October
Climate normal for this date — 60-year average.
0.03Ammon, Sunday, 25 October
Climate normal for this date — 60-year average.
0.04Ammon, Monday, 26 October
Climate normal for this date — 60-year average.
0.03Ammon, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.07Ammon, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.07Ammon, Thursday, 29 October
Climate normal for this date — 60-year average.
0.04Ammon, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Ammon, Saturday, 31 October
Climate normal for this date — 60-year average.
0.05Ammon, Sunday, 1 November
Climate normal for this date — 60-year average.
0.05Ammon, Monday, 2 November
Climate normal for this date — 60-year average.
0.04Ammon, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.01Ammon, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.02Ammon, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Ammon, Friday, 6 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 Ammon, WY 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 Ammon, WY 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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