Mount Gambier weather live forecast

Today's maximum temperature in Mount Gambier is expected to be 17°C. Select a day from the live weather forecast for Mount Gambier, South Australia, Australia for more weather parameters.

Sunday
14th Dec
17

9

5

7
Monday
15th Dec
16

9

5

8
Tuesday
16th Dec
23

8

9

11
Wednesday
17th Dec
32

9

15

11
Thursday
18th Dec
34

13

14

11

5-day weather forecast updated at 04:00 on Sunday 14th December 2025 GMT

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

Mount Gambier weather forecast by day

Below are the detailed weather forecasts for Mount Gambier for the next 5 days.

Mount Gambier weather for Sunday 14th December 2025

Expect mostly cloudy with light rain in Mount Gambier, South Australia with a maximum temperature of 17°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 13% chance of some rain and a fresh breeze of 30 kph from the south-west.

17
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
7
UV index (High)
13
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
30
kph wind from SW

Mount Gambier weather for Monday 15th December 2025

Expect broken clouds in Mount Gambier, South Australia with a maximum temperature of 16°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

16
°C maximum temperature
9
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Mount Gambier weather for Tuesday 16th December 2025

Expect scattered clouds in Mount Gambier, South Australia with a maximum temperature of 23°C, maximum UV of 11+ (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

23
°C maximum temperature
8
°C minimum temperature
scattered clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from SE

Mount Gambier weather for Wednesday 17th December 2025

Expect clear skies in Mount Gambier, South Australia with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

32
°C maximum temperature
9
°C minimum temperature
clear skies
15
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from E

Mount Gambier weather for Thursday 18th December 2025

Expect clear skies in Mount Gambier, South Australia with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south.