10-day forecast for Old Agency, MT: 53° to 100°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Sunday, August 16
80°
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 53°0
Morning58°feels 55°
Afternoon88°feels 84°
Evening84°feels 81°
Overnight59°feels 56°
90 °
Old Agency, Monday, 10 August
Clear. High 90°, low 53°.
Pressure29.85 inHg
Wind4.9 mph N
Humidity15%
Visibility6.2 mi
Dew point31°
Tue, 1194° / 58°0
Morning65°feels 63°
Afternoon91°feels 86°
Evening88°feels 84°
Overnight64°feels 61°
94 °
Old Agency, Tuesday, 11 August
Clear. High 94°, low 58°.
Pressure29.94 inHg
Wind4.3 mph N
Humidity17%
Visibility6.2 mi
Dew point33°
Wed, 1291° / 60°0
Morning66°feels 64°
Afternoon88°feels 84°
Evening86°feels 83°
Overnight65°feels 63°
91 °
Old Agency, Wednesday, 12 August
Overcast. High 91°, low 60°.
Pressure29.85 inHg
Wind7 mph N
Humidity22%
Visibility6.2 mi
Dew point36°
Thu, 1380° / 56°0.03
Morning59°feels 59°
Afternoon71°feels 70°
Evening78°feels 78°
Overnight60°feels 59°
80 °
Old Agency, Thursday, 13 August
Light rain. High 80°, low 56°.
Pressure29.91 inHg
Wind10.4 mph N
Humidity63%
Visibility—
Dew point54°
Fri, 1487° / 54°0
Morning60°feels 59°
Afternoon77°feels 76°
Evening85°feels 82°
Overnight69°feels 68°
87 °
Old Agency, Friday, 14 August
Clear. High 87°, low 54°.
Pressure29.94 inHg
Wind9.5 mph N
Humidity46%
Visibility—
Dew point50°
Sat, 1593° / 58°0
Morning66°feels 65°
Afternoon85°feels 83°
Evening91°feels 88°
Overnight75°feels 75°
93 °
Old Agency, Saturday, 15 August
Partly cloudy. High 93°, low 58°.
Pressure30.00 inHg
Wind10.4 mph N
Humidity29%
Visibility—
Dew point45°
Sun, 16100° / 61°0
Morning69°feels 67°
Afternoon90°feels 87°
Evening95°feels 91°
Overnight78°feels 76°
100 °
Old Agency, Sunday, 16 August
Partly cloudy. High 100°, low 61°.
Pressure29.97 inHg
Wind9.8 mph N
Humidity22%
Visibility—
Dew point42°
Mon, 1793° / 69°0
Morning75°feels 73°
Afternoon91°feels 87°
Evening88°feels 85°
Overnight75°feels 73°
93 °
Old Agency, Monday, 17 August
Overcast. High 93°, low 69°.
Pressure29.91 inHg
Wind20.5 mph W
Humidity17%
Visibility—
Dew point38°
Tue, 1893° / 61°0
Morning69°feels 66°
Afternoon88°feels 84°
Evening89°feels 85°
Overnight73°feels 71°
93 °
Old Agency, Tuesday, 18 August
Clear. High 93°, low 61°.
Pressure30.00 inHg
Wind14.2 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 Old Agency, 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.