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: 1 PM - around 86°
- Coolest hour: 1 AM - around 81°
- Highest rain chance: 8 PM (31%) - pack accordingly
- UV peak: 12 PM at index 11 - sun protection recommended
- Windiest: 9 AM at 23 mph
St. John's hourly weather - Friday, July 17
In St. John's, expect a high near 86°F (30°C) around 1 PM and a low of 81°F (27°C) near 9 PM; precipitation risk peaks at 31% around 8 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 1 PM | Patchy rain nearby | 86° | 98° | 16% | 19 mph E | 66% | 10 | |
| 2 PM | Partly Cloudy | 83° | 89° | 9% | 19 mph E | 75% | 8 | |
| 3 PM | Partly Cloudy | 82° | 88° | 10% | 19 mph E | 75% | 5 | |
| 4 PM | Partly Cloudy | 82° | 88° | 11% | 18 mph E | 77% | 2 | |
| 5 PM | Patchy rain nearby | 82° | 88° | 15% | 19 mph E | 78% | 1 | |
| 6 PM | Patchy rain nearby | 82° | 88° | 17% | 20 mph ENE | 80% | 0 | |
| 7 PM | Patchy rain nearby | 81° | 87° | 26% | 20 mph ENE | 81% | 0 | |
| 8 PM | Light rain shower | 81° | 87° | 31% | 21 mph ENE | 82% | 0 | |
| 9 PM | Patchy rain nearby | 81° | 86° | 28% | 22 mph ENE | 81% | 0 | |
| 10 PM | Patchy rain nearby | 81° | 86° | 24% | 22 mph ENE | 81% | 0 | |
| 11 PM | Patchy rain nearby | 81° | 86° | 19% | 23 mph ENE | 80% | 0 |
St. John's hourly weather - Saturday, July 18
In St. John's, expect a high near 82°F (28°C) around 1 PM and a low of 81°F (27°C) near 1 AM; precipitation risk peaks at 40% around 7 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 81° | 86° | 20% | 22 mph E | 79% | 0 | |
| 1 AM | Patchy rain nearby | 81° | 86° | 20% | 21 mph E | 78% | 0 | |
| 2 AM | Patchy rain nearby | 81° | 86° | 25% | 19 mph E | 77% | 0 | |
| 3 AM | Patchy rain nearby | 81° | 86° | 23% | 18 mph E | 77% | 0 | |
| 4 AM | Patchy rain nearby | 82° | 87° | 18% | 20 mph E | 76% | 0 | |
| 5 AM | Clear | 81° | 86° | 9% | 22 mph E | 78% | 0 | |
| 6 AM | Patchy rain nearby | 81° | 86° | 20% | 22 mph E | 77% | 0 | |
| 7 AM | Sunny | 81° | 86° | 7% | 22 mph E | 75% | 0 | |
| 8 AM | Sunny | 82° | 87° | 7% | 22 mph E | 75% | 2 | |
| 9 AM | Patchy rain nearby | 82° | 87° | 17% | 23 mph E | 76% | 5 | |
| 10 AM | Sunny | 82° | 87° | 7% | 23 mph E | 75% | 8 | |
| 11 AM | Sunny | 82° | 88° | 7% | 22 mph E | 73% | 10 | |
| 12 PM | Partly Cloudy | 82° | 88° | 8% | 22 mph E | 72% | 11 | |
| 1 PM | Partly Cloudy | 82° | 87° | 8% | 21 mph E | 70% | 11 | |
| 2 PM | Sunny | 82° | 87° | 7% | 20 mph E | 69% | 8 | |
| 3 PM | Sunny | 82° | 87° | 6% | 19 mph E | 69% | 6 | |
| 4 PM | Sunny | 82° | 87° | 6% | 17 mph E | 70% | 3 | |
| 5 PM | Sunny | 82° | 87° | 7% | 17 mph ENE | 72% | 1 | |
| 6 PM | Patchy rain nearby | 82° | 86° | 13% | 17 mph ENE | 73% | 0 | |
| 7 PM | Light rain shower | 81° | 86° | 40% | 20 mph ENE | 79% | 0 | |
| 8 PM | Patchy rain nearby | 81° | 86° | 20% | 22 mph ENE | 77% | 0 | |
| 9 PM | Clear | 81° | 86° | 9% | 22 mph E | 76% | 0 | |
| 10 PM | Patchy rain nearby | 81° | 86° | 16% | 21 mph E | 75% | 0 | |
| 11 PM | Patchy rain nearby | 81° | 85° | 20% | 21 mph E | 75% | 0 |
St. John's hourly weather - Sunday, July 19
In St. John's, expect a high near 83°F (28°C) around 1 PM and a low of 80°F (27°C) near 2 AM; precipitation risk peaks at 35% around 4 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 81° | 85° | 14% | 20 mph E | 76% | 0 | |
| 1 AM | Patchy rain nearby | 81° | 85° | 15% | 19 mph E | 76% | 0 | |
| 2 AM | Patchy rain nearby | 80° | 83° | 18% | 19 mph E | 78% | 0 | |
| 3 AM | Patchy rain nearby | 80° | 84° | 24% | 21 mph E | 78% | 0 | |
| 4 AM | Light rain shower | 80° | 83° | 35% | 22 mph E | 79% | 0 | |
| 5 AM | Patchy rain nearby | 81° | 86° | 26% | 21 mph E | 75% | 0 | |
| 6 AM | Sunny | 81° | 85° | 7% | 20 mph E | 73% | 0 | |
| 7 AM | Sunny | 81° | 86° | 7% | 19 mph E | 72% | 1 | |
| 8 AM | Sunny | 82° | 86° | 8% | 20 mph E | 74% | 2 | |
| 9 AM | Partly Cloudy | 82° | 87° | 9% | 20 mph ENE | 75% | 5 | |
| 10 AM | Sunny | 82° | 88° | 8% | 20 mph E | 74% | 8 | |
| 11 AM | Sunny | 83° | 88° | 7% | 19 mph E | 73% | 10 | |
| 12 PM | Patchy rain nearby | 83° | 89° | 16% | 17 mph E | 72% | 10 | |
| 1 PM | Patchy rain nearby | 83° | 89° | 19% | 17 mph E | 73% | 9 | |
| 2 PM | Patchy rain nearby | 83° | 89° | 19% | 17 mph E | 73% | 8 | |
| 3 PM | Patchy rain nearby | 83° | 89° | 22% | 17 mph E | 73% | 5 | |
| 4 PM | Patchy rain nearby | 83° | 89° | 20% | 17 mph E | 73% | 2 | |
| 5 PM | Patchy rain nearby | 82° | 88° | 17% | 16 mph E | 75% | 1 | |
| 6 PM | Patchy rain nearby | 82° | 88° | 20% | 15 mph ENE | 75% | 0 | |
| 7 PM | Patchy rain nearby | 82° | 87° | 23% | 17 mph ENE | 76% | 0 | |
| 8 PM | Light rain shower | 82° | 88° | 26% | 19 mph ENE | 79% | 0 | |
| 9 PM | Patchy rain nearby | 82° | 88° | 18% | 20 mph E | 77% | 0 | |
| 10 PM | Patchy rain nearby | 82° | 88° | 18% | 20 mph ENE | 78% | 0 | |
| 11 PM | Patchy rain nearby | 82° | 87° | 23% | 17 mph ENE | 76% | 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 1 AM up to 86°F (30°C) near 1 PM - right in line with the typical July high of 86°F (30°C).
A stray shower can't be ruled out - Rain chances top out at 31% around 8 PM. Wind picks up to 23 mph (37 km/h) from the E near 9 AM. 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.