Weather in Hays, MT
Hays, Saturday, 10 October, 06:44
Overcast. Feels like 41°. High 54°, low 37°.
Monthly outlook for Hays, MT: average high 49.5°, average low 35.8°. That is 3.2° below the climate normal for October. Precipitation is expected on 5 days (about 1.9 inches), against a normal of 3 days and 0.5 inches. The warmest day looks like 18 October (65.6°), the coolest 17 October (24.7°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 10 October – 19 October | 47.3° | 55.9° | -4.8° |
| 20 October – 29 October | 53.2° | 52.5° | +0.4° |
| 30 October – 8 November | at normal | 46.4° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Lodge Pole (5 mi).
0.77
Hays, Sunday, 11 October
Snow. High 36°, low 31°.
0.62Hays, Monday, 12 October
Snow. High 32°, low 27°.
0
Hays, Tuesday, 13 October
Clear. High 39°, low 28°.
0Hays, Wednesday, 14 October
Clear. High 47°, low 33°.
0Hays, Thursday, 15 October
Clear. High 56°, low 41°.
0Hays, Friday, 16 October
Overcast. High 36°, low 28°.
0
Hays, Saturday, 17 October
Mostly clear. High 51°, low 25°.
0Hays, Sunday, 18 October
Overcast. High 66°, low 45°.
0Hays, Monday, 19 October
Overcast. High 56°, low 43°.
0Hays, Tuesday, 20 October
Overcast. High 61°, low 46°.
0.01
Hays, Wednesday, 21 October
Light rain. High 53°, low 40°.
0Hays, Thursday, 22 October
Overcast. High 55°, low 37°.
0.2Hays, Friday, 23 October
Light rain. High 55°, low 38°.
0
Hays, Saturday, 24 October
Partly cloudy. High 48°, low 36°.
0.14Hays, Sunday, 25 October
Light rain. High 48°, low 39°.
0.04Hays, Monday, 26 October
Climate normal for this date — 60-year average.
0.02Hays, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.03Hays, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.03Hays, Thursday, 29 October
Climate normal for this date — 60-year average.
0.03Hays, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Hays, Saturday, 31 October
Climate normal for this date — 60-year average.
0.02Hays, Sunday, 1 November
Climate normal for this date — 60-year average.
0.02Hays, Monday, 2 November
Climate normal for this date — 60-year average.
0.03Hays, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.02Hays, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04Hays, Thursday, 5 November
Climate normal for this date — 60-year average.
0.03Hays, Friday, 6 November
Climate normal for this date — 60-year average.
0.02Hays, Saturday, 7 November
Climate normal for this date — 60-year average.
0.06Hays, Sunday, 8 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 Hays, MT 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 Hays, MT 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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