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As of 00:54 MDT

Weather in Summit Valley, MT

62°Current weather

Summit Valley, Sunday, 9 August, 00:54

Clear. Feels like 59°. High 86°, low 52°.

Pressure29.94 inHg
Wind4.7 mph SW
Humidity29%
Visibility6.2 mi
Dew point30°

10-day forecast for Summit Valley, MT: 51° to 93°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

93°
Best day: Tuesday, August 11
73° · 0.44 in
Worst day: Friday, August 14

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 1090° / 51°0Clear
MorningClear58°feels 54°
AfternoonClear86°feels 83°
EveningMostly clear84°feels 81°
OvernightClear58°feels 54°
90 °Clear

Summit Valley, Monday, 10 August

Clear. High 90°, low 51°.

Pressure29.80 inHg
Wind6.3 mph N
Humidity11%
Visibility6.2 mi
Dew point25°
Tue, 1193° / 60°0Clear
MorningClear67°feels 65°
AfternoonClear89°feels 85°
EveningClear80°feels 80°
OvernightClear65°feels 62°
93 °Clear

Summit Valley, Tuesday, 11 August

Clear. High 93°, low 60°.

Pressure29.88 inHg
Wind7.5 mph N
Humidity12%
Visibility6.2 mi
Dew point24°
Wed, 1284° / 59°0Overcast
MorningOvercast65°feels 63°
AfternoonOvercast83°feels 81°
EveningOvercast75°feels 73°
OvernightOvercast65°feels 62°
84 °Overcast

Summit Valley, Wednesday, 12 August

Overcast. High 84°, low 59°.

Pressure29.85 inHg
Wind7.4 mph NE
Humidity18%
Visibility6.2 mi
Dew point32°
Thu, 1388° / 58°0Overcast
MorningOvercast64°feels 62°
AfternoonOvercast82°feels 80°
EveningOvercast83°feels 80°
OvernightOvercast67°feels 65°
88 °Overcast

Summit Valley, Thursday, 13 August

Overcast. High 88°, low 58°.

Pressure29.74 inHg
Wind12.4 mph N
Humidity21%
Visibility—
Dew point35°
Fri, 1473° / 57°0.44Rain
MorningRain58°feels 58°
AfternoonRain62°feels 61°
EveningRain70°feels 69°
OvernightRain64°feels 62°
73 °Rain

Summit Valley, Friday, 14 August

Rain. High 73°, low 57°.

Pressure30.03 inHg
Wind8.9 mph NE
Humidity73%
Visibility—
Dew point51°
Sat, 1584° / 55°0Mostly clear
MorningMostly clear61°feels 60°
AfternoonMostly clear77°feels 76°
EveningMostly clear80°feels 78°
OvernightMostly clear62°feels 61°
84 °Mostly clear

Summit Valley, Saturday, 15 August

Mostly clear. High 84°, low 55°.

Pressure30.03 inHg
Wind10 mph N
Humidity36%
Visibility—
Dew point45°
Sun, 1676° / 61°0.07Light rain
MorningLight rain61°feels 60°
AfternoonLight rain65°feels 65°
EveningLight rain74°feels 73°
OvernightLight rain63°feels 63°
76 °Light rain

Summit Valley, Sunday, 16 August

Light rain. High 76°, low 61°.

Pressure30.06 inHg
Wind9.4 mph SW
Humidity72%
Visibility—
Dew point54°
Mon, 1784° / 58°0.1Light rain
MorningLight rain64°feels 63°
AfternoonLight rain77°feels 77°
EveningLight rain66°feels 65°
OvernightLight rain60°feels 59°
84 °Light rain

Summit Valley, Monday, 17 August

Light rain. High 84°, low 58°.

Pressure29.91 inHg
Wind11.4 mph W
Humidity27%
Visibility—
Dew point40°
Tue, 1881° / 56°0.01Light rain
MorningLight rain62°feels 61°
AfternoonLight rain77°feels 76°
EveningLight rain78°feels 78°
OvernightLight rain68°feels 66°
81 °Light rain

Summit Valley, Tuesday, 18 August

Light rain. High 81°, low 56°.

Pressure29.83 inHg
Wind17.5 mph SW
Humidity29%
Visibility—
Dew point40°

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 Summit Valley, 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.