10-day forecast for Hays, MT: 47° to 85°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
85°
Best day: Tuesday, August 11
65° · 0.13 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1081° / 47°0
Morning55°feels 52°
Afternoon77°feels 76°
Evening76°feels 75°
Overnight54°feels 52°
81 °
Hays, Monday, 10 August
Clear. High 81°, low 47°.
Pressure29.85 inHg
Wind9.4 mph E
Humidity34%
Visibility6.2 mi
Dew point46°
Tue, 1185° / 61°0
Morning69°feels 68°
Afternoon84°feels 82°
Evening77°feels 76°
Overnight62°feels 60°
85 °
Hays, Tuesday, 11 August
Clear. High 85°, low 61°.
Pressure29.88 inHg
Wind7.2 mph W
Humidity26%
Visibility6.2 mi
Dew point43°
Wed, 1279° / 55°0
Morning61°feels 59°
Afternoon79°feels 79°
Evening74°feels 72°
Overnight62°feels 61°
79 °
Hays, Wednesday, 12 August
Overcast. High 79°, low 55°.
Pressure29.94 inHg
Wind11.4 mph E
Humidity36%
Visibility6.2 mi
Dew point46°
Thu, 1384° / 58°0.17
Morning64°feels 62°
Afternoon76°feels 76°
Evening64°feels 64°
Overnight63°feels 62°
84 °
Hays, Thursday, 13 August
Rain. High 84°, low 58°.
Pressure29.80 inHg
Wind21.1 mph E
Humidity44%
Visibility—
Dew point52°
Fri, 1465° / 58°0.13
Morning58°feels 58°
Afternoon61°feels 60°
Evening64°feels 63°
Overnight59°feels 58°
65 °
Hays, Friday, 14 August
Light rain. High 65°, low 58°.
Pressure30.00 inHg
Wind9.5 mph N
Humidity85%
Visibility—
Dew point55°
Sat, 1576° / 57°0.04
Morning61°feels 60°
Afternoon72°feels 71°
Evening75°feels 74°
Overnight64°feels 64°
76 °
Hays, Saturday, 15 August
Light rain. High 76°, low 57°.
Pressure30.09 inHg
Wind9.3 mph SE
Humidity50%
Visibility—
Dew point49°
Sun, 1683° / 62°0.02
Morning68°feels 67°
Afternoon81°feels 80°
Evening75°feels 74°
Overnight68°feels 67°
83 °
Hays, Sunday, 16 August
Light rain. High 83°, low 62°.
Pressure29.91 inHg
Wind18.1 mph SE
Humidity32%
Visibility—
Dew point47°
Mon, 1784° / 64°0
Morning69°feels 68°
Afternoon80°feels 80°
Evening83°feels 80°
Overnight73°feels 72°
84 °
Hays, Monday, 17 August
Overcast. High 84°, low 64°.
Pressure29.83 inHg
Wind13 mph W
Humidity32%
Visibility—
Dew point45°
Tue, 1882° / 63°0
Morning67°feels 67°
Afternoon80°feels 80°
Evening79°feels 78°
Overnight69°feels 67°
82 °
Hays, Tuesday, 18 August
Partly cloudy. High 82°, low 63°.
Pressure29.80 inHg
Wind13.4 mph W
Humidity29%
Visibility—
Dew point42°
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 Hays, MT 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.