Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 36°C. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Saturday
5th Sep
36

27

10

11
Sunday
6th Sep
35

26

10

11
Monday
7th Sep
35

26

8

11
Tuesday
8th Sep
35

25

9

11
Wednesday
9th Sep
35

25

7

11

5-day weather forecast updated at 04:00 on Saturday 5th 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 Saturday 5th 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.

36
°C maximum temperature
27
°C minimum temperature
scattered clouds
10
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 35°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 21 kph from the east.

35
°C maximum temperature
26
°C minimum temperature
scattered clouds
10
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

Lethem weather for Monday 7th September 2026

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 35°C, 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 moderate breeze of 23 kph from the east.

35
°C maximum temperature
26
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
23
kph wind from E

Lethem weather for Tuesday 8th September 2026

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the east.

35
°C maximum temperature
25
°C minimum temperature
scattered clouds
9
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
22
kph wind from E

Lethem weather for Wednesday 9th September 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a moderate breeze of 21 kph from the east.