10-day forecast for Chester, SD: 57° to 99°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
99°
Best day: Tuesday, August 18
79° · 0.32 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 61°0.37
Morning64°feels 64°
Afternoon80°feels 80°
Evening89°feels 90°
Overnight69°feels 68°
89 °
Chester, Monday, 10 August
Rain. High 89°, low 61°.
Pressure29.88 inHg
Wind5.9 mph SE
Humidity64%
Visibility6.2 mi
Dew point64°
Tue, 1192° / 63°0
Morning68°feels 68°
Afternoon92°feels 91°
Evening81°feels 82°
Overnight66°feels 67°
92 °
Chester, Tuesday, 11 August
Clear. High 92°, low 63°.
Pressure29.83 inHg
Wind10 mph NE
Humidity45%
Visibility6.2 mi
Dew point62°
Wed, 1292° / 63°0
Morning68°feels 67°
Afternoon91°feels 88°
Evening79°feels 79°
Overnight66°feels 67°
92 °
Chester, Wednesday, 12 August
Mostly clear. High 92°, low 63°.
Pressure29.91 inHg
Wind11.3 mph E
Humidity25%
Visibility6.2 mi
Dew point48°
Thu, 1379° / 59°0.32
Morning62°feels 62°
Afternoon72°feels 71°
Evening74°feels 74°
Overnight63°feels 62°
79 °
Chester, Thursday, 13 August
Rain. High 79°, low 59°.
Pressure30.03 inHg
Wind12.8 mph SE
Humidity67%
Visibility—
Dew point58°
Fri, 1485° / 57°0
Morning64°feels 64°
Afternoon82°feels 81°
Evening78°feels 77°
Overnight63°feels 62°
85 °
Chester, Friday, 14 August
Overcast. High 85°, low 57°.
Pressure30.09 inHg
Wind10.1 mph SE
Humidity33%
Visibility—
Dew point47°
Sat, 1580° / 61°0
Morning69°feels 68°
Afternoon78°feels 77°
Evening70°feels 71°
Overnight64°feels 64°
80 °
Chester, Saturday, 15 August
Overcast. High 80°, low 61°.
Pressure30.15 inHg
Wind13.7 mph SE
Humidity48%
Visibility—
Dew point55°
Sun, 1685° / 58°0
Morning65°feels 66°
Afternoon83°feels 83°
Evening83°feels 83°
Overnight71°feels 71°
85 °
Chester, Sunday, 16 August
Overcast. High 85°, low 58°.
Pressure30.06 inHg
Wind6 mph S
Humidity50%
Visibility—
Dew point58°
Mon, 1793° / 64°0
Morning70°feels 71°
Afternoon88°feels 88°
Evening89°feels 88°
Overnight74°feels 75°
93 °
Chester, Monday, 17 August
Light rain. High 93°, low 64°.
Pressure29.97 inHg
Wind9.1 mph SW
Humidity44%
Visibility—
Dew point59°
Tue, 1899° / 65°0
Morning73°feels 73°
Afternoon95°feels 92°
Evening93°feels 90°
Overnight74°feels 74°
99 °
Chester, Tuesday, 18 August
Mostly clear. High 99°, low 65°.
Pressure29.91 inHg
Wind13.9 mph W
Humidity21%
Visibility—
Dew point45°
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 Chester, 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.