10-day forecast for Marty, SD: 58° to 99°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Tuesday, August 11
76° · 1.35 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1095° / 68°0
Morning70°feels 70°
Afternoon90°feels 88°
Evening95°feels 94°
Overnight75°feels 75°
95 °
Marty, Monday, 10 August
Partly cloudy. High 95°, low 68°.
Pressure29.83 inHg
Wind16.4 mph SE
Humidity33%
Visibility6.2 mi
Dew point58°
Tue, 1198° / 66°0.01
Morning70°feels 71°
Afternoon95°feels 94°
Evening91°feels 91°
Overnight73°feels 74°
98 °
Marty, Tuesday, 11 August
Light rain. High 98°, low 66°.
Pressure29.77 inHg
Wind13.8 mph NE
Humidity40%
Visibility6.2 mi
Dew point61°
Wed, 1292° / 68°0.19
Morning70°feels 71°
Afternoon90°feels 91°
Evening86°feels 86°
Overnight68°feels 69°
92 °
Marty, Wednesday, 12 August
Light rain. High 92°, low 68°.
Pressure29.85 inHg
Wind8 mph E
Humidity51%
Visibility6.2 mi
Dew point65°
Thu, 1376° / 61°1.35
Morning64°feels 65°
Afternoon65°feels 65°
Evening72°feels 72°
Overnight65°feels 65°
76 °
Marty, Thursday, 13 August
Heavy rain. High 76°, low 61°.
Pressure30.00 inHg
Wind16.2 mph E
Humidity93%
Visibility—
Dew point61°
Fri, 1480° / 58°0.07
Morning64°feels 64°
Afternoon77°feels 77°
Evening65°feels 66°
Overnight64°feels 64°
80 °
Marty, Friday, 14 August
Light rain. High 80°, low 58°.
Pressure30.09 inHg
Wind12.5 mph SE
Humidity42%
Visibility—
Dew point52°
Sat, 1578° / 64°0
Morning67°feels 67°
Afternoon74°feels 74°
Evening77°feels 78°
Overnight70°feels 71°
78 °
Marty, Saturday, 15 August
Overcast. High 78°, low 64°.
Pressure30.12 inHg
Wind8.7 mph SE
Humidity73%
Visibility—
Dew point62°
Sun, 1683° / 63°0.05
Morning69°feels 70°
Afternoon82°feels 84°
Evening78°feels 78°
Overnight69°feels 69°
83 °
Marty, Sunday, 16 August
Light rain. High 83°, low 63°.
Pressure30.06 inHg
Wind11.1 mph S
Humidity57%
Visibility—
Dew point64°
Mon, 1796° / 66°0.06
Morning73°feels 74°
Afternoon90°feels 92°
Evening88°feels 89°
Overnight71°feels 71°
96 °
Marty, Monday, 17 August
Light rain. High 96°, low 66°.
Pressure29.97 inHg
Wind9.6 mph SE
Humidity46%
Visibility—
Dew point63°
Tue, 1899° / 66°0.02
Morning74°feels 74°
Afternoon94°feels 93°
Evening94°feels 93°
Overnight78°feels 79°
99 °
Marty, Tuesday, 18 August
Light rain. High 99°, low 66°.
Pressure29.94 inHg
Wind11.3 mph S
Humidity31%
Visibility—
Dew point55°
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 Marty, SD 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.