10-day forecast for Promise, SD: 61° to 101°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
101°
Best day: Tuesday, August 18
72°
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1097° / 64°0.15
Morning71°feels 70°
Afternoon94°feels 93°
Evening79°feels 79°
Overnight66°feels 64°
97 °
Promise, Monday, 10 August
Rain. High 97°, low 64°.
Pressure29.77 inHg
Wind13.7 mph SE
Humidity37%
Visibility6.2 mi
Dew point61°
Tue, 1192° / 65°0.01
Morning71°feels 71°
Afternoon90°feels 87°
Evening81°feels 80°
Overnight67°feels 67°
92 °
Promise, Tuesday, 11 August
Light rain. High 92°, low 65°.
Pressure29.85 inHg
Wind11.7 mph NE
Humidity34%
Visibility6.2 mi
Dew point54°
Wed, 1294° / 68°0
Morning75°feels 74°
Afternoon93°feels 90°
Evening84°feels 82°
Overnight71°feels 70°
94 °
Promise, Wednesday, 12 August
Clear. High 94°, low 68°.
Pressure29.85 inHg
Wind8 mph SE
Humidity24%
Visibility6.2 mi
Dew point48°
Thu, 1379° / 67°0.02
Morning70°feels 69°
Afternoon75°feels 74°
Evening72°feels 72°
Overnight71°feels 71°
79 °
Promise, Thursday, 13 August
Light rain. High 79°, low 67°.
Pressure29.97 inHg
Wind14.7 mph S
Humidity49%
Visibility—
Dew point54°
Fri, 1472° / 61°0
Morning64°feels 64°
Afternoon72°feels 72°
Evening69°feels 69°
Overnight65°feels 65°
72 °
Promise, Friday, 14 August
Overcast. High 72°, low 61°.
Pressure30.06 inHg
Wind17.3 mph S
Humidity57%
Visibility—
Dew point55°
Sat, 1583° / 65°0.02
Morning68°feels 69°
Afternoon79°feels 79°
Evening82°feels 81°
Overnight74°feels 74°
83 °
Promise, Saturday, 15 August
Light rain. High 83°, low 65°.
Pressure30.03 inHg
Wind12.9 mph S
Humidity58%
Visibility—
Dew point60°
Sun, 1691° / 65°0
Morning71°feels 70°
Afternoon86°feels 84°
Evening88°feels 86°
Overnight77°feels 77°
91 °
Promise, Sunday, 16 August
Overcast. High 91°, low 65°.
Pressure30.12 inHg
Wind9.8 mph S
Humidity29%
Visibility—
Dew point47°
Mon, 1796° / 69°0.17
Morning74°feels 76°
Afternoon90°feels 92°
Evening94°feels 93°
Overnight82°feels 82°
96 °
Promise, Monday, 17 August
Light rain. High 96°, low 69°.
Pressure29.85 inHg
Wind16.4 mph S
Humidity48%
Visibility—
Dew point64°
Tue, 18101° / 77°0
Morning83°feels 83°
Afternoon98°feels 97°
Evening98°feels 96°
Overnight85°feels 84°
101 °
Promise, Tuesday, 18 August
Overcast. High 101°, low 77°.
Pressure29.74 inHg
Wind7.3 mph NW
Humidity25%
Visibility—
Dew point54°
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 Promise, 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.