Lethem weather live forecast

Today's maximum temperature in Lethem is expected to be 95°F. Select a day from the live weather forecast for Lethem, Guyana for more weather parameters.

Wednesday
10th Dec
95

77

7

10
Thursday
11th Dec
93

77

7

11
Friday
12th Dec
93

77

7

11
Saturday
13th Dec
91

77

7

10
Sunday
14th Dec
90

75

6

11

5-day weather forecast updated at 04:01 on Wednesday 10th December 2025 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 Wednesday 10th December 2025

Expect broken clouds in Lethem, Guyana with a maximum temperature of 95°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 moderate breeze of 15 mph from the north-east.

95
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
15
mph wind from NE

Lethem weather for Thursday 11th December 2025

Expect scattered clouds in Lethem, Guyana with a maximum temperature of 93°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north-east.

93
°F maximum temperature
77
°F minimum temperature
scattered clouds
7
hours of sunshine
11
UV index (Extreme)
0
mm of rainfall expected
H
high heat & humidity
16
mph wind from NE

Lethem weather for Friday 12th December 2025

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 93°F, 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 28% chance of some rain and a moderate breeze of 16 mph from the north-east.

93
°F maximum temperature
77
°F minimum temperature
isolated thunderstorms
7
hours of sunshine
11
UV index (Extreme)
28
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
16
mph wind from NE

Lethem weather for Saturday 13th December 2025

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 moderate breeze of 16 mph from the north-east.

91
°F maximum temperature
77
°F minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
16
mph wind from NE

Lethem weather for Sunday 14th December 2025

Expect isolated thunderstorms in Lethem, Guyana with a maximum temperature of 90°F, 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 37% chance of some rain and a moderate breeze of 14 mph from the north-east.