10-day forecast for Olney, MT: 48° to 92°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
92°
Best day: Monday, August 17
79° · 0.15 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0984° / 48°0
Morning54°feels 51°
Afternoon79°feels 79°
Evening74°feels 72°
Overnight58°feels 55°
84 °
Olney, Sunday, 9 August
Clear. High 84°, low 48°.
Pressure29.91 inHg
Wind4.3 mph S
Humidity21%
Visibility6.2 mi
Dew point36°
Mon, 1088° / 48°0
Morning54°feels 51°
Afternoon87°feels 83°
Evening80°feels 80°
Overnight56°feels 53°
88 °
Olney, Monday, 10 August
Clear. High 88°, low 48°.
Pressure29.85 inHg
Wind2.4 mph S
Humidity20%
Visibility6.2 mi
Dew point35°
Tue, 1189° / 55°0
Morning62°feels 61°
Afternoon87°feels 83°
Evening80°feels 80°
Overnight59°feels 57°
89 °
Olney, Tuesday, 11 August
Clear. High 89°, low 55°.
Pressure29.94 inHg
Wind3.5 mph SE
Humidity23%
Visibility6.2 mi
Dew point39°
Wed, 1287° / 55°0
Morning61°feels 60°
Afternoon84°feels 81°
Evening77°feels 76°
Overnight61°feels 59°
87 °
Olney, Wednesday, 12 August
Overcast. High 87°, low 55°.
Pressure29.85 inHg
Wind2.7 mph SE
Humidity32%
Visibility6.2 mi
Dew point45°
Thu, 1379° / 54°0.15
Morning59°feels 59°
Afternoon73°feels 73°
Evening71°feels 70°
Overnight59°feels 58°
79 °
Olney, Thursday, 13 August
Light rain. High 79°, low 54°.
Pressure29.88 inHg
Wind5.6 mph N
Humidity50%
Visibility—
Dew point51°
Fri, 1477° / 50°0.02
Morning57°feels 56°
Afternoon73°feels 72°
Evening75°feels 74°
Overnight61°feels 60°
77 °
Olney, Friday, 14 August
Light rain. High 77°, low 50°.
Pressure30.03 inHg
Wind6.5 mph NE
Humidity50%
Visibility—
Dew point50°
Sat, 1587° / 49°0
Morning57°feels 57°
Afternoon78°feels 77°
Evening83°feels 80°
Overnight65°feels 64°
87 °
Olney, Saturday, 15 August
Clear. High 87°, low 49°.
Pressure30.06 inHg
Wind5.5 mph W
Humidity36%
Visibility—
Dew point44°
Sun, 1690° / 58°0
Morning65°feels 63°
Afternoon84°feels 81°
Evening86°feels 83°
Overnight69°feels 68°
90 °
Olney, Sunday, 16 August
Overcast. High 90°, low 58°.
Pressure29.97 inHg
Wind11.9 mph W
Humidity21%
Visibility—
Dew point36°
Mon, 1792° / 59°0
Morning67°feels 64°
Afternoon88°feels 84°
Evening85°feels 82°
Overnight70°feels 68°
92 °
Olney, Monday, 17 August
Partly cloudy. High 92°, low 59°.
Pressure29.91 inHg
Wind12.3 mph W
Humidity15%
Visibility—
Dew point31°
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 Olney, 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.