Weather in Merna, WY
Merna, Sunday, 18 October, 07:35
Clear. Feels like 25°. High 59°, low 25°.
Monthly outlook for Merna, WY: average high 45.4°, average low 26.5°. That is 0.4° above the climate normal for October. Precipitation is expected on 6 days (about 1.5 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 19 October (59.4°), the coolest 31 October (12.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 18 October – 27 October | 50.8° | 46.9° | +2.2° |
| 28 October – 6 November | 36.3° | 40.2° | -2.2° |
| 7 November – 16 November | at normal | 35.8° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Halfway (10 mi).
0
Merna, Monday, 19 October
Mostly clear. High 59°, low 26°.
0.02
Merna, Tuesday, 20 October
Light rain. High 54°, low 33°.
0.06Merna, Wednesday, 21 October
Light rain. High 53°, low 37°.
0.04Merna, Thursday, 22 October
Light rain. High 54°, low 36°.
0.9
Merna, Friday, 23 October
Snow. High 40°, low 28°.
0
Merna, Saturday, 24 October
Clear. High 44°, low 30°.
0Merna, Sunday, 25 October
Clear. High 50°, low 30°.
0Merna, Monday, 26 October
Clear. High 51°, low 32°.
0.04Merna, Tuesday, 27 October
Light snow. High 44°, low 26°.
0Merna, Wednesday, 28 October
Clear. High 41°, low 22°.
0.1Merna, Thursday, 29 October
Snow. High 42°, low 26°.
0.04Merna, Friday, 30 October
Light snow. High 24°, low 14°.
0Merna, Saturday, 31 October
Clear. High 31°, low 12°.
0.02Merna, Sunday, 1 November
Light snow. High 40°, low 18°.
0.25Merna, Monday, 2 November
Snow. High 39°, low 30°.
0.03Merna, Tuesday, 3 November
Climate normal for this date — 60-year average.
0.03Merna, Wednesday, 4 November
Climate normal for this date — 60-year average.
0.04
Merna, Thursday, 5 November
Climate normal for this date — 60-year average.
0.04Merna, Friday, 6 November
Climate normal for this date — 60-year average.
0.06Merna, Saturday, 7 November
Climate normal for this date — 60-year average.
0.07
Merna, Sunday, 8 November
Climate normal for this date — 60-year average.
0.05Merna, Monday, 9 November
Climate normal for this date — 60-year average.
0.04Merna, Tuesday, 10 November
Climate normal for this date — 60-year average.
0.04Merna, Wednesday, 11 November
Climate normal for this date — 60-year average.
0.06Merna, Thursday, 12 November
Climate normal for this date — 60-year average.
0.05Merna, Friday, 13 November
Climate normal for this date — 60-year average.
0.06Merna, Saturday, 14 November
Climate normal for this date — 60-year average.
0.02Merna, Sunday, 15 November
Climate normal for this date — 60-year average.
0.03Merna, Monday, 16 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 Merna, 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 Merna, 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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