Custer weather live forecast

Today's maximum temperature in Custer is expected to be 30°C. Select a day from the live weather forecast for Custer, South Dakota, USA for more weather parameters.

Monday
27th Jul
30

21

7

10
Tuesday
28th Jul
29

19

9

9
Wednesday
29th Jul
30

18

7

8
Thursday
30th Jul
29

18

8

9
Friday
31st Jul
30

17

9

5

5-day weather forecast updated at 04:03 on Sunday 26th July 2026 GMT

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The 5-day weather forecast for South Dakota (Custer) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Custer weather forecast by day

Below are the detailed weather forecasts for Custer for the next 5 days.

Custer weather for Monday 27th July 2026

Expect isolated thunderstorms in Custer, South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a light breeze of 12 kph from the south-east.

30
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
10
UV index (Very High)
48
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from SE

Custer weather for Tuesday 28th July 2026

Expect isolated thunderstorms in Custer, South Dakota with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 9 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a light breeze of 10 kph from the east.

29
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
9
UV index (Very High)
57
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

Custer weather for Wednesday 29th July 2026

Expect isolated thunderstorms in Custer, South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 58% chance of some rain and a light breeze of 11 kph from the south.

30
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
58
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from S

Custer weather for Thursday 30th July 2026

Expect isolated thunderstorms in Custer, South Dakota with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a light breeze of 11 kph from the north-east.

29
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
9
UV index (Very High)
51
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
11
kph wind from NE

Custer weather for Friday 31st July 2026

Expect isolated thunderstorms in Custer, South Dakota with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 13 kph from the south-east.