St. John's, Antigua and Barbuda Hourly Forecast
St. John's temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 2 PM - around 84°
- Coolest hour: 4 AM - around 81°
- Highest rain chance: 9 PM (25%) - pack accordingly
- UV peak: 12 PM at index 11 - sun protection recommended
- Windiest: 11 PM at 18 mph
St. John's hourly weather - Wednesday, August 26
In St. John's, expect a high near 84°F (29°C) around 2 PM and a low of 81°F (27°C) near 10 PM; precipitation risk peaks at 25% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 2 PM | Sunny | 84° | 91° | 6% | 16 mph ENE | 72% | 9 | |
| 3 PM | Patchy rain nearby | 84° | 91° | 16% | 15 mph ENE | 74% | 6 | |
| 4 PM | Patchy rain nearby | 83° | 91° | 17% | 16 mph ENE | 76% | 3 | |
| 5 PM | Patchy rain nearby | 83° | 90° | 17% | 16 mph ENE | 76% | 1 | |
| 6 PM | Sunny | 82° | 88° | 8% | 16 mph ENE | 78% | 0 | |
| 7 PM | Patchy rain nearby | 82° | 88° | 19% | 16 mph ENE | 79% | 0 | |
| 8 PM | Patchy rain nearby | 81° | 87° | 22% | 17 mph ENE | 80% | 0 | |
| 9 PM | Patchy rain nearby | 81° | 87° | 25% | 17 mph ENE | 80% | 0 | |
| 10 PM | Patchy rain nearby | 81° | 87° | 22% | 17 mph ENE | 79% | 0 | |
| 11 PM | Clear | 81° | 87° | 9% | 18 mph ENE | 79% | 0 |
St. John's hourly weather - Thursday, August 27
In St. John's, expect a high near 84°F (29°C) around 2 PM and a low of 81°F (27°C) near 4 AM; precipitation risk peaks at 24% around 2 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 81° | 86° | 20% | 18 mph ENE | 79% | 0 | |
| 1 AM | Patchy rain nearby | 81° | 86° | 22% | 18 mph E | 80% | 0 | |
| 2 AM | Patchy rain nearby | 81° | 86° | 19% | 16 mph E | 79% | 0 | |
| 3 AM | Patchy rain nearby | 81° | 86° | 18% | 16 mph E | 78% | 0 | |
| 4 AM | Patchy rain nearby | 81° | 85° | 19% | 15 mph E | 78% | 0 | |
| 5 AM | Patchy rain nearby | 81° | 85° | 21% | 14 mph E | 78% | 0 | |
| 6 AM | Patchy rain nearby | 81° | 86° | 17% | 14 mph E | 78% | 0 | |
| 7 AM | Patchy rain nearby | 81° | 86° | 16% | 15 mph E | 77% | 0 | |
| 8 AM | Patchy rain nearby | 82° | 87° | 16% | 16 mph E | 75% | 2 | |
| 9 AM | Sunny | 83° | 89° | 7% | 17 mph E | 73% | 5 | |
| 10 AM | Patchy rain nearby | 83° | 89° | 17% | 17 mph E | 72% | 8 | |
| 11 AM | Patchy rain nearby | 83° | 90° | 16% | 17 mph E | 73% | 10 | |
| 12 PM | Patchy rain nearby | 83° | 91° | 19% | 17 mph E | 75% | 11 | |
| 1 PM | Patchy rain nearby | 83° | 90° | 19% | 16 mph E | 75% | 10 | |
| 2 PM | Patchy rain nearby | 84° | 91° | 24% | 17 mph ESE | 75% | 8 | |
| 3 PM | Sunny | 83° | 89° | 6% | 18 mph E | 70% | 5 | |
| 4 PM | Patchy rain nearby | 83° | 88° | 14% | 17 mph ESE | 70% | 2 | |
| 5 PM | Partly Cloudy | 82° | 88° | 8% | 16 mph E | 72% | 1 | |
| 6 PM | Overcast | 82° | 86° | 19% | 16 mph E | 73% | 0 | |
| 7 PM | Overcast | 81° | 86° | 20% | 16 mph E | 74% | 0 | |
| 8 PM | Overcast | 81° | 86° | 20% | 16 mph E | 74% | 0 | |
| 9 PM | Overcast | 81° | 86° | 20% | 17 mph E | 75% | 0 | |
| 10 PM | Overcast | 81° | 86° | 20% | 17 mph E | 76% | 0 | |
| 11 PM | Cloudy | 81° | 86° | 16% | 18 mph E | 76% | 0 |
St. John's hourly weather - Friday, August 28
In St. John's, expect a high near 84°F (29°C) around 12 PM and a low of 81°F (27°C) near 4 AM; precipitation risk peaks at 47% around 5 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Overcast | 81° | 86° | 21% | 18 mph E | 76% | 0 | |
| 1 AM | Overcast | 81° | 86° | 20% | 18 mph E | 75% | 0 | |
| 2 AM | Overcast | 81° | 86° | 20% | 17 mph E | 75% | 0 | |
| 3 AM | Overcast | 81° | 85° | 20% | 17 mph E | 74% | 0 | |
| 4 AM | Partly Cloudy | 81° | 85° | 14% | 17 mph E | 76% | 0 | |
| 5 AM | Clear | 81° | 86° | 9% | 17 mph E | 77% | 0 | |
| 6 AM | Partly Cloudy | 81° | 86° | 11% | 17 mph E | 78% | 0 | |
| 7 AM | Patchy rain nearby | 82° | 87° | 22% | 18 mph E | 79% | 0 | |
| 8 AM | Patchy rain nearby | 82° | 89° | 19% | 18 mph E | 79% | 2 | |
| 9 AM | Patchy rain nearby | 83° | 90° | 18% | 19 mph E | 80% | 6 | |
| 10 AM | Sunny | 83° | 91° | 9% | 20 mph E | 78% | 7 | |
| 11 AM | Patchy rain nearby | 83° | 92° | 21% | 20 mph E | 78% | 6 | |
| 12 PM | Patchy rain nearby | 84° | 92° | 27% | 20 mph E | 77% | 6 | |
| 1 PM | Patchy rain nearby | 84° | 92° | 26% | 19 mph E | 77% | 6 | |
| 2 PM | Patchy rain nearby | 83° | 92° | 22% | 19 mph E | 78% | 6 | |
| 3 PM | Patchy rain nearby | 83° | 91° | 22% | 19 mph E | 78% | 6 | |
| 4 PM | Patchy rain nearby | 84° | 92° | 23% | 18 mph E | 76% | 6 | |
| 5 PM | Patchy rain nearby | 83° | 91° | 47% | 19 mph E | 78% | 6 | |
| 6 PM | Patchy rain nearby | 83° | 90° | 25% | 18 mph E | 79% | 6 | |
| 7 PM | Patchy rain nearby | 82° | 90° | 25% | 19 mph E | 80% | 0 | |
| 8 PM | Patchy rain nearby | 82° | 90° | 24% | 19 mph E | 81% | 0 | |
| 9 PM | Patchy rain nearby | 82° | 90° | 28% | 20 mph E | 82% | 0 | |
| 10 PM | Patchy rain nearby | 82° | 90° | 25% | 21 mph E | 83% | 0 | |
| 11 PM | Patchy rain nearby | 82° | 89° | 30% | 22 mph E | 82% | 0 |
Quick answers for the hours ahead
What is the warmest hour in St. John's today?
Will it rain in St. John's tonight?
When is the UV index highest in St. John's today?
St. John's hour-by-hour: what to expect
Over the next 24 hours in St. John's, temperatures range from 81°F (27°C) around 4 AM up to 84°F (29°C) near 2 PM - right in line with the typical August high of 86°F (30°C).
A stray shower can't be ruled out - Rain chances top out at 25% around 9 PM. Wind picks up to 18 mph (30 km/h) from the ENE near 11 PM. UV reaches 11 (12 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the St. John's 14-day forecast or the monthly climate averages.