Weather in Merna, WY
Merna, Saturday, 17 October, 20:13
Mostly clear. Feels like 43°. High 59°, low 25°.
Monthly outlook for Merna, WY: average high 46.8°, average low 29.2°. That is 0.9° above the climate normal for October. Precipitation is expected on 9 days (about 1.2 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 18 October (58.9°), the coolest 31 October (21°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 17 October – 26 October | 50.9° | 47.4° | +1.9° |
| 27 October – 5 November | 40° | 40.8° | -0.4° |
| 6 November – 15 November | at normal | 36.2° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Halfway (10 mi).
0
Merna, Sunday, 18 October
Overcast. High 59°, low 27°.
0
Merna, Monday, 19 October
Mostly clear. High 54°, low 26°.
0.04
Merna, Tuesday, 20 October
Light rain. High 54°, low 38°.
0.08Merna, Wednesday, 21 October
Light rain. High 53°, low 38°.
0.04Merna, Thursday, 22 October
Light rain. High 53°, low 36°.
0.42Merna, Friday, 23 October
Rain. High 43°, low 36°.
0.3
Merna, Saturday, 24 October
Snow. High 39°, low 26°.
0
Merna, Sunday, 25 October
Clear. High 46°, low 23°.
0Merna, Monday, 26 October
Clear. High 49°, low 29°.
0Merna, Tuesday, 27 October
Clear. High 49°, low 30°.
0.06Merna, Wednesday, 28 October
Light snow. High 39°, low 32°.
0.02Merna, Thursday, 29 October
Snow. High 37°, low 27°.
0.14Merna, Friday, 30 October
Snow. High 43°, low 26°.
0.06Merna, Saturday, 31 October
Light snow. High 29°, low 21°.
0.06Merna, Sunday, 1 November
Light snow. High 43°, low 28°.
0.06
Merna, Monday, 2 November
Climate normal for this date — 60-year average.
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.
0.04Merna, 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.
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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