10-day forecast for Fossil, WY: 54° to 89°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Monday, August 10
75° · 0.1 in
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0988° / 56°0
Morning62°feels 60°
Afternoon86°feels 83°
Evening76°feels 74°
Overnight67°feels 64°
88 °
Fossil, Sunday, 9 August
Light rain. High 88°, low 56°.
Pressure29.88 inHg
Wind9.3 mph W
Humidity19%
Visibility6.2 mi
Dew point38°
Mon, 1089° / 55°0
Morning61°feels 59°
Afternoon89°feels 85°
Evening75°feels 73°
Overnight60°feels 58°
89 °
Fossil, Monday, 10 August
Clear. High 89°, low 55°.
Pressure29.88 inHg
Wind9.9 mph W
Humidity16%
Visibility6.2 mi
Dew point34°
Tue, 1189° / 63°0
Morning70°feels 68°
Afternoon88°feels 84°
Evening81°feels 79°
Overnight65°feels 63°
89 °
Fossil, Tuesday, 11 August
Clear. High 89°, low 63°.
Pressure29.94 inHg
Wind9.4 mph W
Humidity13%
Visibility6.2 mi
Dew point27°
Wed, 1284° / 66°0
Morning71°feels 69°
Afternoon85°feels 82°
Evening74°feels 72°
Overnight69°feels 67°
84 °
Fossil, Wednesday, 12 August
Overcast. High 84°, low 66°.
Pressure29.80 inHg
Wind9.3 mph NW
Humidity15%
Visibility6.2 mi
Dew point30°
Thu, 1384° / 60°0
Morning66°feels 64°
Afternoon80°feels 79°
Evening77°feels 76°
Overnight65°feels 64°
84 °
Fossil, Thursday, 13 August
Overcast. High 84°, low 60°.
Pressure29.80 inHg
Wind6.7 mph SW
Humidity20%
Visibility—
Dew point33°
Fri, 1478° / 56°0.01
Morning60°feels 60°
Afternoon73°feels 72°
Evening76°feels 75°
Overnight64°feels 62°
78 °
Fossil, Friday, 14 August
Light rain. High 78°, low 56°.
Pressure30.00 inHg
Wind15.2 mph W
Humidity40%
Visibility—
Dew point44°
Sat, 1575° / 56°0.1
Morning62°feels 60°
Afternoon74°feels 73°
Evening68°feels 66°
Overnight60°feels 59°
75 °
Fossil, Saturday, 15 August
Light rain. High 75°, low 56°.
Pressure30.06 inHg
Wind21.7 mph SW
Humidity31%
Visibility—
Dew point40°
Sun, 1678° / 54°0.06
Morning61°feels 60°
Afternoon77°feels 76°
Evening71°feels 69°
Overnight62°feels 61°
78 °
Fossil, Sunday, 16 August
Light rain. High 78°, low 54°.
Pressure30.09 inHg
Wind20.2 mph S
Humidity27%
Visibility—
Dew point38°
Mon, 1780° / 57°0.01
Morning64°feels 62°
Afternoon79°feels 79°
Evening77°feels 75°
Overnight67°feels 65°
80 °
Fossil, Monday, 17 August
Light rain. High 80°, low 57°.
Pressure30.06 inHg
Wind21.9 mph S
Humidity23%
Visibility—
Dew point36°
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 Fossil, 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.