10-day forecast — Antigua (St John's)
Refreshed hourly
Thu · Today · 12 Nov
Showers
84°
82°
0.03 in
Wind18 mph SE
Gusts23 mph
UV index9 – Very high
Precip chance49%
Sunrise6:10 AM
Sunset5:32 PM
Fri · Tomorrow · 13 Nov
Showers
85°
83°
0.01 in
Wind19 mph SE
Gusts25 mph
UV index9 – Very high
Precip chance36%
Sunrise6:10 AM
Sunset5:32 PM
Saturday · 14 Nov
Partly cloudy
85°
83°
0.01 in
Wind19 mph SE
Gusts24 mph
UV index9 – Very high
Precip chance22%
Sunrise6:11 AM
Sunset5:32 PM
Sunday · 15 Nov
Showers
85°
82°
0.02 in
Wind15 mph SE
Gusts20 mph
UV index7 – High
Precip chance39%
Sunrise6:11 AM
Sunset5:31 PM
Monday · 16 Nov
Showers
84°
81°
0.10 in
Wind16 mph E
Gusts20 mph
UV index7 – High
Precip chance66%
Sunrise6:12 AM
Sunset5:31 PM
Tuesday · 17 Nov
Showers
84°
81°
0.05 in
Wind14 mph E
Gusts18 mph
UV index7 – High
Precip chance57%
Sunrise6:13 AM
Sunset5:31 PM
Wednesday · 18 Nov
Showers
84°
80°
0.21 in
Wind15 mph E
Gusts20 mph
UV index6 – High
Precip chance77%
Sunrise6:13 AM
Sunset5:31 PM
Thursday · 19 Nov
Sunny
84°
82°
17%
Wind14 mph SE
Gusts19 mph
UV index7 – High
Precip chance17%
Sunrise6:14 AM
Sunset5:31 PM
Friday · 20 Nov
Showers
84°
81°
0.08 in
Wind14 mph E
Gusts19 mph
UV index6 – High
Precip chance62%
Sunrise6:14 AM
Sunset5:31 PM
Saturday · 21 Nov
Showers
83°
80°
0.07 in
Wind14 mph E
Gusts18 mph
UV index6 – High
Precip chance63%
Sunrise6:15 AM
Sunset5:31 PM
Sunday · 22 Nov
Showers
83°
80°
0.15 in
Wind13 mph E
Gusts18 mph
UV index7 – High
Precip chance73%
Sunrise6:15 AM
Sunset5:31 PM
Monday · 23 Nov
Showers
84°
81°
0.11 in
Wind16 mph E
Gusts22 mph
UV index6 – High
Precip chance69%
Sunrise6:16 AM
Sunset5:31 PM
Tuesday · 24 Nov
Showers
84°
80°
0.12 in
Wind17 mph E
Gusts24 mph
UV index6 – High
Precip chance70%
Sunrise6:16 AM
Sunset5:31 PM
Wednesday · 25 Nov
Showers
84°
81°
0.04 in
Wind16 mph E
Gusts22 mph
UV index6 – High
Precip chance59%
Sunrise6:17 AM
Sunset5:31 PM
About Antigua (St John's)
CountryAntigua and Barbuda
RegionSt John's
Population51,737
ContinentNorth America & Caribbean
Time zoneAmerica/Antigua (-04:00)
Latitude17.1180°
Longitude-61.8450°
Air QualityGood (AQI 30)
Details & indices
Wind
18 mph SE
Gusts 23 mph
Humidity
74%
Dew point 75°
Pressure
29.94 inHg
Rising
UV index
9 — Very high
High today
Air Quality
Good
AQI 30 · US EPA
Visibility
6 mi
Clear view
Sun & moon
Sunrise6:10 AM
Sunset5:32 PM
Length of day11h 22m
Moonrise9:19 AM
Moonset8:29 PM
Moon phase🌔 Waxing Crescent
Local time3:10 PM (-04:00)
Antigua (St John's) climate in August
8-year averages · when to visitBest months: January–December · August: Good
| July | August | September | |
|---|---|---|---|
| Average temperature | → 82°F | 82°F | → 82°F |
| Typical high | → 86°F | 86°F | → 86°F |
| Typical low | → 79°F | 79°F | → 79°F |
| Water temperature | ▲ 84°F | 85°F | ▲ 86°F |
| Precipitation | ▲ 3.2 in | 4.0 in | ▲ 4.1 in |
| Wet days | → 22 d | 22 d | ▼ 21 d |
| Humidity | ▲ 72% | 73% | ▲ 75% |
| Sunshine per day | ▼ 11.6 h | 11.3 h | ▼ 11.2 h |
| Cloud cover | → 11% | 11% | ▼ 9% |
| Midday UV | → 12 | 12 | ▼ 11 |
| Daylight | 13:02 | 12:41 | 12:13 |
| Our take | Good | Good | Good |
August temperatures day by day daily mean + smoothed trend · °F
August precipitation day by day in
August UV day by day clear-sky midday value
Figures are averaged over 8 years of ERA5 reanalysis; sea temps come from ocean reanalysis, and UV is derived from solar elevation.
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NBM + global weather models
Updated: 3:10 PM
Antigua (St John's), Antigua and Barbuda · 17.12°N, 61.85°W · America/Antigua · Forecast computed for these exact coordinates