Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 31°C. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Monday
12th Jan
31

24

5

10
Tuesday
13th Jan
33

24

6

10
Wednesday
14th Jan
32

24

8

11
Thursday
15th Jan
32

24

7

9
Friday
16th Jan
33

24

5

9

5-day weather forecast updated at 04:01 on Monday 12th January 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 Monday 12th January 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the east.

31
°C maximum temperature
24
°C minimum temperature
broken clouds
5
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
20
kph wind from E

Lethem weather for Tuesday 13th January 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

33
°C maximum temperature
24
°C minimum temperature
broken clouds
6
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

Lethem weather for Wednesday 14th January 2026

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 32°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 21 kph from the east.

32
°C maximum temperature
24
°C minimum temperature
scattered clouds
8
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from E

Lethem weather for Thursday 15th January 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 32°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 40% chance of some rain and a gentle breeze of 19 kph from the east.

32
°C maximum temperature
24
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
9
UV index (Very High)
40
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
19
kph wind from E

Lethem weather for Friday 16th January 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 33°C, high levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.