Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 33°C. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Saturday
18th Apr
33

26

5

10
Sunday
19th Apr
33

25

6

11
Monday
20th Apr
33

25

4

11
Tuesday
21st Apr
34

25

4

9
Wednesday
22nd Apr
31

25

4

11

5-day weather forecast updated at 04:01 on Saturday 18th April 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 18th April 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 43% chance of some rain and a moderate breeze of 21 kph from the east.

33
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
43
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

Lethem weather for Sunday 19th April 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a gentle breeze of 19 kph from the east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
27
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
19
kph wind from E

Lethem weather for Monday 20th April 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

33
°C maximum temperature
25
°C minimum temperature
broken clouds
4
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
18
kph wind from E

Lethem weather for Tuesday 21st April 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 14 kph from the east.

34
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
9
UV index (Very High)
66
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
14
kph wind from E

Lethem weather for Wednesday 22nd April 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 11 (Extreme) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a light breeze of 12 kph from the east.