Weather Forecast for St John's (AG)
Saint John, Antigua and Barbuda
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Current Weather - St John's (AG): 29°C
Current Weather - St John's (AG): 29°C
Saint John, Antigua and Barbuda
Cloudy
Feels like 34°C
Wind
22 km/h E
Humidity
76%
Pressure
1013 mb
UV Index
1
Visibility
10 km
Patchy rain nearby
Saturday, September 05, 2026
High
29°C
Low
28°C
Rain Chance
48%
Hourly Forecast
28°C
Day Statistics
Maximum Wind
25 km/h
Humidity
78%
Precipitation
1 mm
UV Index
12
Visibility
10 km
Rain Chance
48%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:17 PM
Moonrise
Does not rise today
Moonset
01:30 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
3.8
μg/m³
PM10
6.9
μg/m³
NO₂
0.1
μg/m³
O₃
39.7
μg/m³
SO₂
0.2
μg/m³
CO
105
μg/m³
Patchy rain nearby
Sunday, September 06, 2026
High
30°C
Low
28°C
Rain Chance
48%
Hourly Forecast
28°C
28°C
28°C
28°C
28°C
28°C
28°C
28°C
29°C
29°C
29°C
29°C
30°C
30°C
29°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
27 km/h
Humidity
79%
Precipitation
1 mm
UV Index
12
Visibility
10 km
Rain Chance
48%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:17 PM
Moonrise
12:44 AM
Moonset
02:30 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
5.4
μg/m³
PM10
10.4
μg/m³
NO₂
0.1
μg/m³
O₃
31.5
μg/m³
SO₂
0.2
μg/m³
CO
103.9
μg/m³
Patchy rain nearby
Monday, September 07, 2026
High
30°C
Low
28°C
Rain Chance
36%
Hourly Forecast
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
30°C
30°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
30 km/h
Humidity
77%
Precipitation
0 mm
UV Index
12
Visibility
10 km
Rain Chance
36%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:16 PM
Moonrise
01:50 AM
Moonset
03:27 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
12
μg/m³
PM10
31.1
μg/m³
NO₂
0.1
μg/m³
O₃
32.3
μg/m³
SO₂
0.3
μg/m³
CO
102.3
μg/m³
Patchy rain nearby
Tuesday, September 08, 2026
High
29°C
Low
28°C
Rain Chance
59%
Hourly Forecast
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
29°C
28°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
37 km/h
Humidity
74%
Precipitation
2 mm
UV Index
12
Visibility
10 km
Rain Chance
59%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:15 PM
Moonrise
02:56 AM
Moonset
04:18 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Air Quality
PM2.5
9.6
μg/m³
PM10
17.5
μg/m³
NO₂
0.1
μg/m³
O₃
36.1
μg/m³
SO₂
0.2
μg/m³
CO
100.6
μg/m³
Patchy rain nearby
Wednesday, September 09, 2026
High
30°C
Low
28°C
Rain Chance
50%
Hourly Forecast
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
30°C
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
36 km/h
Humidity
77%
Precipitation
1 mm
UV Index
11
Visibility
10 km
Rain Chance
50%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:14 PM
Moonrise
04:01 AM
Moonset
05:05 PM
Moon Phase
New Moon
Moon Illumination
2%
Air Quality
PM2.5
8.9
μg/m³
PM10
26.9
μg/m³
NO₂
0.1
μg/m³
O₃
35.8
μg/m³
SO₂
0.1
μg/m³
CO
111.4
μg/m³
Patchy rain nearby
Thursday, September 10, 2026
High
29°C
Low
28°C
Rain Chance
45%
Hourly Forecast
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
29°C
29°C
29°C
29°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
35 km/h
Humidity
78%
Precipitation
1 mm
UV Index
7
Visibility
10 km
Rain Chance
45%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:13 PM
Moonrise
05:04 AM
Moonset
05:48 PM
Moon Phase
New Moon
Moon Illumination
0%
Patchy rain nearby
Friday, September 11, 2026
High
29°C
Low
28°C
Rain Chance
23%
Hourly Forecast
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
29°C
29°C
28°C
28°C
28°C
28°C
28°C
Day Statistics
Maximum Wind
34 km/h
Humidity
74%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
23%
Snow Chance
0%
Sun & Moon
Sunrise
05:55 AM
Sunset
06:13 PM
Moonrise
06:04 AM
Moonset
06:29 PM
Moon Phase
New Moon
Moon Illumination
0%
Solar Radiation Data
Shortwave Radiation
530.98
Diffuse Radiation
170.87
DNI
0
GTI
0
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