Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 37°C. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Wednesday
2nd Sep
37

26

6

11
Thursday
3rd Sep
35

27

6

11
Friday
4th Sep
37

26

8

11
Saturday
5th Sep
37

26

11

11
Sunday
6th Sep
36

26

10

11

5-day weather forecast updated at 04:00 on Wednesday 2nd September 2026 GMT

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

Lethem weather forecast by day

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

Lethem weather for Wednesday 2nd September 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 37°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the east.

37
°C maximum temperature
26
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
19
kph wind from E

Lethem weather for Thursday 3rd September 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

35
°C maximum temperature
27
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

Lethem weather for Friday 4th September 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

37
°C maximum temperature
26
°C minimum temperature
broken clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
VH
very high heat & humidity
18
kph wind from E

Lethem weather for Saturday 5th September 2026

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 37°C, very high levels of heat & humidity, maximum UV of 11 (Extreme) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

37
°C maximum temperature
26
°C minimum temperature
scattered clouds
11
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from E

Lethem weather for Sunday 6th September 2026

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.