Weather Forecast for St John's (AG)
Saint John, Antigua and Barbuda
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Current Weather - St John's (AG): 28°C
Current Weather - St John's (AG): 28°C
Saint John, Antigua and Barbuda
Patchy rain nearby
Feels like 31°C
Wind
35 km/h E
Humidity
79%
Pressure
1016 mb
UV Index
2
Visibility
10 km
Sunny
Sunday, August 16, 2026
High
29°C
Low
27°C
Rain Chance
57%
Hourly Forecast
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
35 km/h
Humidity
78%
Precipitation
2 mm
UV Index
11
Visibility
10 km
Rain Chance
57%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
06:32 PM
Moonrise
09:20 AM
Moonset
09:18 PM
Moon Phase
Waxing Crescent
Moon Illumination
18%
Air Quality
PM2.5
13.9
μg/m³
PM10
24
μg/m³
NO₂
0.1
μg/m³
O₃
41.7
μg/m³
SO₂
0.3
μg/m³
CO
95.4
μg/m³
Patchy rain nearby
Monday, August 17, 2026
High
29°C
Low
27°C
Rain Chance
51%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
32 km/h
Humidity
77%
Precipitation
1 mm
UV Index
9
Visibility
10 km
Rain Chance
51%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:31 PM
Moonrise
10:17 AM
Moonset
09:59 PM
Moon Phase
Waxing Crescent
Moon Illumination
27%
Air Quality
PM2.5
12.2
μg/m³
PM10
30.6
μg/m³
NO₂
0.1
μg/m³
O₃
42.5
μg/m³
SO₂
0.3
μg/m³
CO
99.2
μg/m³
Patchy rain nearby
Tuesday, August 18, 2026
High
29°C
Low
28°C
Rain Chance
43%
Hourly Forecast
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
23 km/h
Humidity
76%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
43%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:31 PM
Moonrise
11:14 AM
Moonset
10:42 PM
Moon Phase
First Quarter
Moon Illumination
37%
Air Quality
PM2.5
10.1
μg/m³
PM10
32.7
μg/m³
NO₂
0.1
μg/m³
O₃
35.8
μg/m³
SO₂
0.3
μg/m³
CO
106.5
μg/m³
Patchy rain nearby
Wednesday, August 19, 2026
High
29°C
Low
27°C
Rain Chance
36%
Hourly Forecast
28°C
27°C
28°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
24 km/h
Humidity
78%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:30 PM
Moonrise
12:11 PM
Moonset
11:28 PM
Moon Phase
First Quarter
Moon Illumination
48%
Air Quality
PM2.5
7.7
μg/m³
PM10
22
μg/m³
NO₂
0.1
μg/m³
O₃
32.1
μg/m³
SO₂
0.2
μg/m³
CO
98.3
μg/m³
Patchy rain nearby
Thursday, August 20, 2026
High
29°C
Low
27°C
Rain Chance
79%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
24 km/h
Humidity
79%
Precipitation
7 mm
UV Index
6
Visibility
10 km
Rain Chance
79%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:29 PM
Moonrise
01:08 PM
Moonset
Does not set today
Moon Phase
First Quarter
Moon Illumination
58%
Patchy rain nearby
Friday, August 21, 2026
High
28°C
Low
27°C
Rain Chance
46%
Hourly Forecast
28°C
28°C
28°C
28°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
29 km/h
Humidity
77%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
46%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:29 PM
Moonrise
02:03 PM
Moonset
12:18 AM
Moon Phase
First Quarter
Moon Illumination
69%
Patchy rain nearby
Saturday, August 22, 2026
High
28°C
Low
27°C
Rain Chance
73%
Hourly Forecast
27°C
27°C
27°C
27°C
27°C
27°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
27°C
27°C
27°C
28°C
Day Statistics
Maximum Wind
31 km/h
Humidity
77%
Precipitation
5 mm
UV Index
7
Visibility
10 km
Rain Chance
73%
Snow Chance
0%
Sun & Moon
Sunrise
05:52 AM
Sunset
06:28 PM
Moonrise
02:55 PM
Moonset
01:09 AM
Moon Phase
Waxing Gibbous
Moon Illumination
78%
Solar Radiation Data
Shortwave Radiation
69.5
Diffuse Radiation
14.87
DNI
0
GTI
0
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