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
14th Mar
33

25

5

11
Sunday
15th Mar
33

25

6

11
Monday
16th Mar
34

25

6

11
Tuesday
17th Mar
34

25

6

8
Wednesday
18th Mar
34

24

6

11

5-day weather forecast updated at 04:01 on Saturday 14th March 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 14th March 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 30% chance of some rain and a moderate breeze of 21 kph from the north-east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
30
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
21
kph wind from NE

Lethem weather for Sunday 15th March 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 29% chance of some rain and a moderate breeze of 25 kph from the north-east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
29
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
25
kph wind from NE

Lethem weather for Monday 16th March 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 34°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 25 kph from the north-east.

34
°C maximum temperature
25
°C minimum temperature
broken clouds
6
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
25
kph wind from NE

Lethem weather for Tuesday 17th March 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-east.