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.

Friday
21st Aug
33

25

5

10
Saturday
22nd Aug
32

25

5

5
Sunday
23rd Aug
34

24

6

11
Monday
24th Aug
35

25

7

11
Tuesday
25th Aug
35

26

5

11

5-day weather forecast updated at 04:00 on Friday 21st August 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 Friday 21st August 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 46% chance of some rain and a gentle breeze of 15 kph from the north-east.

33
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
10
UV index (Very High)
46
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
15
kph wind from NE

Lethem weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 15 kph from the east.

32
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
5
UV index (Moderate)
57
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
15
kph wind from E

Lethem weather for Sunday 23rd August 2026

Expect isolated thunderstorms 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 2-5 mm of rainfall expected with 44% chance of some rain and a gentle breeze of 13 kph from the east.

34
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
44
% chance of some rain
<5
mm of rainfall expected
H
high heat & humidity
13
kph wind from E

Lethem weather for Monday 24th August 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 42% chance of some rain and a gentle breeze of 13 kph from the east.

35
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
42
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
13
kph wind from E

Lethem weather for Tuesday 25th August 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 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 16 kph from the east.