10-day forecast for Johnstown, WY: 56° to 97°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
97°
Best day: Tuesday, August 11
83°
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1095° / 60°0.01
Morning68°feels 65°
Afternoon95°feels 90°
Evening80°feels 80°
Overnight61°feels 58°
95 °
Johnstown, Monday, 10 August
Light rain. High 95°, low 60°.
Pressure29.74 inHg
Wind4.8 mph N
Humidity9%
Visibility6.2 mi
Dew point26°
Tue, 1197° / 67°0
Morning75°feels 73°
Afternoon96°feels 91°
Evening86°feels 83°
Overnight70°feels 68°
97 °
Johnstown, Tuesday, 11 August
Overcast. High 97°, low 67°.
Pressure29.83 inHg
Wind17.1 mph NW
Humidity7%
Visibility6.2 mi
Dew point20°
Wed, 1290° / 65°0
Morning73°feels 71°
Afternoon91°feels 87°
Evening82°feels 80°
Overnight69°feels 66°
90 °
Johnstown, Wednesday, 12 August
Overcast. High 90°, low 65°.
Pressure29.74 inHg
Wind5.7 mph E
Humidity15%
Visibility6.2 mi
Dew point35°
Thu, 1387° / 62°0
Morning67°feels 66°
Afternoon83°feels 81°
Evening84°feels 81°
Overnight69°feels 68°
87 °
Johnstown, Thursday, 13 August
Light rain. High 87°, low 62°.
Pressure29.74 inHg
Wind13 mph NW
Humidity30%
Visibility—
Dew point45°
Fri, 1490° / 65°0.01
Morning70°feels 69°
Afternoon84°feels 81°
Evening82°feels 79°
Overnight66°feels 65°
90 °
Johnstown, Friday, 14 August
Light rain. High 90°, low 65°.
Pressure29.77 inHg
Wind16.7 mph W
Humidity25%
Visibility—
Dew point42°
Sat, 1583° / 56°0.01
Morning61°feels 60°
Afternoon74°feels 73°
Evening81°feels 79°
Overnight68°feels 67°
83 °
Johnstown, Saturday, 15 August
Light rain. High 83°, low 56°.
Pressure30.09 inHg
Wind11.5 mph E
Humidity42%
Visibility—
Dew point46°
Sun, 1689° / 64°0.01
Morning69°feels 68°
Afternoon82°feels 80°
Evening82°feels 80°
Overnight71°feels 70°
89 °
Johnstown, Sunday, 16 August
Light rain. High 89°, low 64°.
Pressure29.97 inHg
Wind14.2 mph NW
Humidity30%
Visibility—
Dew point45°
Mon, 1785° / 61°0
Morning68°feels 66°
Afternoon85°feels 82°
Evening81°feels 79°
Overnight71°feels 70°
85 °
Johnstown, Monday, 17 August
Mostly clear. High 85°, low 61°.
Pressure29.88 inHg
Wind24.3 mph W
Humidity21%
Visibility—
Dew point38°
Tue, 1892° / 62°0
Morning69°feels 67°
Afternoon87°feels 84°
Evening88°feels 85°
Overnight74°feels 73°
92 °
Johnstown, Tuesday, 18 August
Partly cloudy. High 92°, low 62°.
Pressure29.80 inHg
Wind20 mph NW
Humidity19%
Visibility—
Dew point37°
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 Johnstown, 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.