Weather in Merna, WY
Merna, Sunday, 11 October, 22:55
Rain. Feels like 39°. High 45°, low 38°.
Monthly outlook for Merna, WY: average high 48.8°, average low 30.7°. That is 0.2° above the climate normal for October. Precipitation is expected on 4 days (about 1.4 inches), against a normal of 4 days and 0.7 inches. The warmest day looks like 18 October (58.4°), the coolest 21 October (21.3°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 11 October – 20 October | 50.1° | 49.7° | +0.2° |
| 21 October – 30 October | 46.6° | 44.7° | +1° |
| 31 October – 9 November | at normal | 38.9° | — |
October records over 66 years
Climate normals and records are computed from the nearest reference point — Halfway (10 mi).
0.54Merna, Monday, 12 October
Rain. High 44°, low 36°.
0.3Merna, Tuesday, 13 October
Rain. High 45°, low 34°.
0.01Merna, Wednesday, 14 October
Light rain. High 50°, low 31°.
0
Merna, Thursday, 15 October
Clear. High 51°, low 31°.
0Merna, Friday, 16 October
Clear. High 51°, low 26°.
0Merna, Saturday, 17 October
Clear. High 57°, low 33°.
0
Merna, Sunday, 18 October
Overcast. High 58°, low 37°.
0.01Merna, Monday, 19 October
Light rain. High 57°, low 37°.
0.13
Merna, Tuesday, 20 October
Snow. High 43°, low 27°.
0
Merna, Wednesday, 21 October
Mostly clear. High 33°, low 21°.
0Merna, Thursday, 22 October
Clear. High 44°, low 23°.
0Merna, Friday, 23 October
Clear. High 55°, low 29°.
0Merna, Saturday, 24 October
Overcast. High 52°, low 33°.
0Merna, Sunday, 25 October
Clear. High 45°, low 27°.
0Merna, Monday, 26 October
Clear. High 50°, low 29°.
0.04
Merna, Tuesday, 27 October
Climate normal for this date — 60-year average.
0.06Merna, Wednesday, 28 October
Climate normal for this date — 60-year average.
0.04Merna, Thursday, 29 October
Climate normal for this date — 60-year average.
0.06Merna, Friday, 30 October
Climate normal for this date — 60-year average.
0.04Merna, Saturday, 31 October
Climate normal for this date — 60-year average.
0.04Merna, Sunday, 1 November
Climate normal for this date — 60-year average.
0.06Merna, 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.
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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