10-day forecast for Merna, WY: 45° to 84°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Tuesday, August 11
72° · 0.08 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1084° / 45°0
Morning52°feels 48°
Afternoon84°feels 81°
Evening70°feels 68°
Overnight53°feels 50°
84 °
Merna, Monday, 10 August
Overcast. High 84°, low 45°.
Pressure29.88 inHg
Wind15.3 mph W
Humidity19%
Visibility6.2 mi
Dew point34°
Tue, 1184° / 56°0
Morning63°feels 60°
Afternoon84°feels 81°
Evening70°feels 68°
Overnight59°feels 56°
84 °
Merna, Tuesday, 11 August
Partly cloudy. High 84°, low 56°.
Pressure29.94 inHg
Wind15.5 mph W
Humidity13%
Visibility6.2 mi
Dew point24°
Wed, 1278° / 58°0
Morning66°feels 63°
Afternoon78°feels 76°
Evening66°feels 64°
Overnight59°feels 56°
78 °
Merna, Wednesday, 12 August
Overcast. High 78°, low 58°.
Pressure29.85 inHg
Wind13.4 mph W
Humidity19%
Visibility6.2 mi
Dew point32°
Thu, 1380° / 53°0
Morning60°feels 58°
Afternoon77°feels 76°
Evening74°feels 72°
Overnight63°feels 61°
80 °
Merna, Thursday, 13 August
Partly cloudy. High 80°, low 53°.
Pressure29.80 inHg
Wind15 mph W
Humidity16%
Visibility—
Dew point25°
Fri, 1467° / 54°0.05
Morning55°feels 54°
Afternoon56°feels 55°
Evening65°feels 64°
Overnight56°feels 55°
67 °
Merna, Friday, 14 August
Light rain. High 67°, low 54°.
Pressure30.12 inHg
Wind11.8 mph NW
Humidity83%
Visibility—
Dew point49°
Sat, 1572° / 47°0.08
Morning54°feels 54°
Afternoon70°feels 68°
Evening58°feels 58°
Overnight54°feels 53°
72 °
Merna, Saturday, 15 August
Light rain. High 72°, low 47°.
Pressure30.09 inHg
Wind13 mph S
Humidity36%
Visibility—
Dew point40°
Sun, 1678° / 47°0
Morning55°feels 55°
Afternoon75°feels 73°
Evening74°feels 72°
Overnight59°feels 58°
78 °
Merna, Sunday, 16 August
Clear. High 78°, low 47°.
Pressure30.09 inHg
Wind14 mph NW
Humidity23%
Visibility—
Dew point31°
Mon, 1779° / 53°0
Morning60°feels 58°
Afternoon76°feels 74°
Evening73°feels 72°
Overnight60°feels 58°
79 °
Merna, Monday, 17 August
Light rain. High 79°, low 53°.
Pressure30.06 inHg
Wind15.5 mph W
Humidity24%
Visibility—
Dew point34°
Tue, 1882° / 53°0
Morning60°feels 59°
Afternoon79°feels 79°
Evening77°feels 77°
Overnight62°feels 60°
82 °
Merna, Tuesday, 18 August
Light rain. High 82°, low 53°.
Pressure30.00 inHg
Wind16.7 mph W
Humidity23%
Visibility—
Dew point35°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Merna, WY around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.