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: 3 PM - around 83°
- Coolest hour: 5 AM - around 81°
- Highest rain chance: 6 AM (32%) - pack accordingly
- UV peak: 12 PM at index 12 - sun protection recommended
- Windiest: 8 AM at 18 mph
St. John's hourly weather - Thursday, August 6
In St. John's, expect a high near 83°F (29°C) around 3 PM and a low of 82°F (28°C) near 8 PM; precipitation risk peaks at 27% around 8 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 3 PM | Sunny | 83° | 89° | 6% | 15 mph E | 70% | 6 | |
| 4 PM | Partly Cloudy | 83° | 89° | 9% | 15 mph E | 73% | 3 | |
| 5 PM | Patchy rain nearby | 82° | 89° | 18% | 16 mph E | 76% | 1 | |
| 6 PM | Patchy rain nearby | 82° | 88° | 15% | 15 mph E | 77% | 0 | |
| 7 PM | Patchy rain nearby | 82° | 88° | 20% | 15 mph E | 78% | 0 | |
| 8 PM | Light rain shower | 82° | 88° | 27% | 16 mph E | 79% | 0 | |
| 9 PM | Patchy rain nearby | 82° | 87° | 20% | 17 mph E | 75% | 0 | |
| 10 PM | Partly Cloudy | 82° | 86° | 9% | 17 mph E | 72% | 0 | |
| 11 PM | Partly Cloudy | 82° | 86° | 11% | 17 mph E | 72% | 0 |
St. John's hourly weather - Friday, August 7
In St. John's, expect a high near 83°F (29°C) around 2 PM and a low of 81°F (27°C) near 5 AM; precipitation risk peaks at 32% around 6 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Partly Cloudy | 82° | 86° | 9% | 17 mph E | 72% | 0 | |
| 1 AM | Partly Cloudy | 81° | 86° | 11% | 16 mph E | 72% | 0 | |
| 2 AM | Patchy rain nearby | 81° | 86° | 13% | 16 mph E | 74% | 0 | |
| 3 AM | Patchy rain nearby | 81° | 86° | 15% | 14 mph E | 75% | 0 | |
| 4 AM | Patchy rain nearby | 81° | 86° | 19% | 14 mph E | 77% | 0 | |
| 5 AM | Light rain shower | 81° | 86° | 29% | 16 mph ENE | 77% | 0 | |
| 6 AM | Light rain shower | 81° | 86° | 32% | 18 mph E | 77% | 0 | |
| 7 AM | Patchy rain nearby | 82° | 86° | 13% | 18 mph E | 73% | 1 | |
| 8 AM | Partly Cloudy | 82° | 86° | 8% | 18 mph E | 70% | 2 | |
| 9 AM | Partly Cloudy | 82° | 87° | 8% | 18 mph E | 70% | 5 | |
| 10 AM | Partly Cloudy | 82° | 87° | 10% | 18 mph E | 71% | 8 | |
| 11 AM | Partly Cloudy | 83° | 88° | 7% | 18 mph E | 70% | 11 | |
| 12 PM | Sunny | 83° | 88° | 6% | 18 mph E | 69% | 12 | |
| 1 PM | Sunny | 83° | 89° | 6% | 17 mph E | 69% | 11 | |
| 2 PM | Sunny | 83° | 88° | 6% | 17 mph E | 68% | 9 | |
| 3 PM | Sunny | 83° | 88° | 5% | 17 mph E | 68% | 6 | |
| 4 PM | Sunny | 83° | 88° | 6% | 16 mph E | 69% | 3 | |
| 5 PM | Partly Cloudy | 83° | 88° | 8% | 16 mph E | 70% | 1 | |
| 6 PM | Patchy rain nearby | 82° | 88° | 12% | 16 mph E | 74% | 0 | |
| 7 PM | Patchy rain nearby | 82° | 88° | 16% | 16 mph ENE | 77% | 0 | |
| 8 PM | Patchy rain nearby | 82° | 88° | 20% | 17 mph ENE | 78% | 0 | |
| 9 PM | Patchy light drizzle | 82° | 89° | 30% | 18 mph ENE | 79% | 0 | |
| 10 PM | Patchy rain nearby | 82° | 89° | 22% | 19 mph E | 79% | 0 | |
| 11 PM | Clear | 82° | 87° | 7% | 20 mph E | 75% | 0 |
St. John's hourly weather - Saturday, August 8
In St. John's, expect a high near 85°F (29°C) around 12 PM and a low of 81°F (27°C) near 3 AM; precipitation risk peaks at 30% around 3 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Partly Cloudy | 82° | 87° | 10% | 19 mph E | 75% | 0 | |
| 1 AM | Cloudy | 82° | 87° | 15% | 17 mph E | 76% | 0 | |
| 2 AM | Patchy rain nearby | 82° | 87° | 17% | 16 mph E | 78% | 0 | |
| 3 AM | Patchy rain nearby | 81° | 86° | 30% | 16 mph ENE | 80% | 0 | |
| 4 AM | Patchy rain nearby | 81° | 87° | 26% | 17 mph ENE | 81% | 0 | |
| 5 AM | Patchy rain nearby | 82° | 88° | 19% | 20 mph E | 78% | 0 | |
| 6 AM | Sunny | 82° | 87° | 9% | 20 mph E | 76% | 0 | |
| 7 AM | Sunny | 82° | 88° | 8% | 19 mph E | 75% | 1 | |
| 8 AM | Sunny | 83° | 89° | 7% | 18 mph E | 74% | 2 | |
| 9 AM | Sunny | 83° | 90° | 7% | 17 mph E | 73% | 4 | |
| 10 AM | Sunny | 84° | 91° | 7% | 17 mph E | 71% | 7 | |
| 11 AM | Sunny | 85° | 91° | 6% | 17 mph E | 68% | 10 | |
| 12 PM | Sunny | 85° | 92° | 6% | 17 mph E | 67% | 11 | |
| 1 PM | Sunny | 85° | 92° | 6% | 17 mph E | 69% | 10 | |
| 2 PM | Patchy rain nearby | 84° | 92° | 17% | 17 mph ENE | 71% | 8 | |
| 3 PM | Patchy rain nearby | 84° | 92° | 15% | 17 mph ENE | 72% | 5 | |
| 4 PM | Patchy rain nearby | 84° | 92° | 19% | 17 mph ENE | 73% | 2 | |
| 5 PM | Patchy rain nearby | 84° | 91° | 21% | 17 mph ENE | 75% | 1 | |
| 6 PM | Patchy rain nearby | 83° | 90° | 23% | 18 mph ENE | 76% | 0 | |
| 7 PM | Patchy rain nearby | 83° | 90° | 25% | 18 mph ENE | 78% | 0 | |
| 8 PM | Clear | 83° | 90° | 9% | 17 mph ENE | 78% | 0 | |
| 9 PM | Clear | 83° | 90° | 10% | 17 mph ENE | 79% | 0 | |
| 10 PM | Patchy rain nearby | 83° | 90° | 19% | 16 mph ENE | 78% | 0 | |
| 11 PM | Clear | 82° | 90° | 9% | 17 mph E | 78% | 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 5 AM up to 83°F (29°C) near 3 PM - about 3°F (2°C) below the typical August high of 86°F (30°C).
A stray shower can't be ruled out - Rain chances top out at 32% around 6 AM. Wind picks up to 18 mph (29 km/h) from the E near 8 AM. UV reaches 12 (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.