Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 86°F. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Thursday
11th Jun
86

75

3

5
Friday
12th Jun
90

75

7

10
Saturday
13th Jun
91

75

7

10
Sunday
14th Jun
91

77

5

11
Monday
15th Jun
88

75

3

10

5-day weather forecast updated at 04:00 on Thursday 11th June 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 Thursday 11th June 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and a light breeze of 6 mph from the east.

86
°F maximum temperature
75
°F minimum temperature
isolated thunderstorms
3
hours of sunshine
5
UV index (Moderate)
86
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
6
mph wind from E

Lethem weather for Friday 12th June 2026

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the north-east.

90
°F maximum temperature
75
°F minimum temperature
scattered clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
mph wind from NE

Lethem weather for Saturday 13th June 2026

Expect broken clouds in Lethem, Guyana with a maximum temperature of 91°F, high levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the east.

91
°F maximum temperature
75
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
12
mph wind from E

Lethem weather for Sunday 14th June 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 91°F, 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 36% chance of some rain and a gentle breeze of 10 mph from the east.

91
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
36
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
10
mph wind from E

Lethem weather for Monday 15th June 2026

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 88°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 58% chance of some rain and a light breeze of 7 mph from the east.