St. John's, Canada Hourly Forecast
St. John's temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 12 PM - around 65°
- Coolest hour: 10 PM - around 52°
- Highest rain chance: 9 PM (24%) - pack accordingly
- UV peak: 12 PM at index 6 - sun protection recommended
- Windiest: 2 PM at 12 mph
St. John's hourly weather - Sunday, August 16
In St. John's, expect a high near 52°F (11°C) around 11 PM and a low of 52°F (11°C) near 10 PM; precipitation risk peaks at 24% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 9 PM | Mist | 52° | 50° | 24% | 5 mph S | 96% | 0 | |
| 10 PM | Mist | 52° | 50° | 23% | 5 mph S | 96% | 0 | |
| 11 PM | Mist | 52° | 50° | 23% | 5 mph S | 96% | 0 |
St. John's hourly weather - Monday, August 17
In St. John's, expect a high near 65°F (18°C) around 12 PM and a low of 52°F (11°C) near 5 AM; precipitation risk peaks at 25% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Mist | 52° | 51° | 24% | 5 mph S | 96% | 0 | |
| 1 AM | Mist | 52° | 51° | 23% | 5 mph S | 96% | 0 | |
| 2 AM | Mist | 52° | 51° | 22% | 5 mph S | 95% | 0 | |
| 3 AM | Mist | 52° | 50° | 22% | 5 mph S | 95% | 0 | |
| 4 AM | Mist | 52° | 50° | 22% | 5 mph S | 95% | 0 | |
| 5 AM | Mist | 52° | 50° | 22% | 5 mph S | 95% | 0 | |
| 6 AM | Mist | 52° | 50° | 22% | 5 mph S | 95% | 0 | |
| 7 AM | Sunny | 55° | 54° | 15% | 5 mph S | 91% | 0 | |
| 8 AM | Sunny | 58° | 57° | 12% | 5 mph S | 84% | 1 | |
| 9 AM | Sunny | 61° | 60° | 9% | 5 mph S | 76% | 2 | |
| 10 AM | Partly Cloudy | 63° | 61° | 8% | 6 mph S | 72% | 4 | |
| 11 AM | Sunny | 64° | 62° | 6% | 7 mph SSE | 69% | 5 | |
| 12 PM | Patchy rain nearby | 65° | 61° | 13% | 9 mph SSE | 67% | 6 | |
| 1 PM | Patchy rain nearby | 64° | 59° | 19% | 11 mph SSE | 70% | 5 | |
| 2 PM | Sunny | 62° | 57° | 8% | 12 mph SSE | 73% | 4 | |
| 3 PM | Sunny | 62° | 57° | 8% | 12 mph SSE | 73% | 3 | |
| 4 PM | Sunny | 60° | 55° | 9% | 11 mph SSE | 77% | 1 | |
| 5 PM | Partly Cloudy | 59° | 54° | 16% | 10 mph SSE | 81% | 1 | |
| 6 PM | Cloudy | 58° | 54° | 21% | 8 mph SSE | 84% | 0 | |
| 7 PM | Partly Cloudy | 58° | 55° | 15% | 7 mph S | 88% | 0 | |
| 8 PM | Mist | 54° | 52° | 24% | 7 mph S | 95% | 0 | |
| 9 PM | Mist | 54° | 51° | 24% | 7 mph S | 96% | 0 | |
| 10 PM | Mist | 53° | 51° | 24% | 6 mph S | 97% | 0 | |
| 11 PM | Mist | 53° | 50° | 25% | 6 mph S | 97% | 0 |
St. John's hourly weather - Tuesday, August 18
In St. John's, expect a high near 64°F (18°C) around 2 PM and a low of 52°F (11°C) near 5 AM; precipitation risk peaks at 27% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Mist | 52° | 50° | 24% | 6 mph S | 97% | 0 | |
| 1 AM | Mist | 52° | 50° | 24% | 6 mph S | 96% | 0 | |
| 2 AM | Mist | 52° | 50° | 24% | 6 mph S | 96% | 0 | |
| 3 AM | Mist | 52° | 50° | 24% | 6 mph S | 96% | 0 | |
| 4 AM | Mist | 52° | 50° | 24% | 6 mph S | 96% | 0 | |
| 5 AM | Mist | 52° | 50° | 24% | 6 mph S | 96% | 0 | |
| 6 AM | Mist | 52° | 50° | 24% | 6 mph S | 96% | 0 | |
| 7 AM | Partly Cloudy | 55° | 53° | 19% | 5 mph S | 94% | 0 | |
| 8 AM | Sunny | 58° | 56° | 14% | 6 mph S | 88% | 1 | |
| 9 AM | Partly Cloudy | 61° | 58° | 14% | 8 mph S | 79% | 3 | |
| 10 AM | Partly Cloudy | 63° | 59° | 9% | 9 mph S | 74% | 4 | |
| 11 AM | Sunny | 64° | 59° | 8% | 10 mph SSE | 71% | 6 | |
| 12 PM | Sunny | 64° | 59° | 8% | 12 mph SSE | 71% | 6 | |
| 1 PM | Partly Cloudy | 64° | 58° | 8% | 13 mph SSE | 71% | 7 | |
| 2 PM | Partly Cloudy | 64° | 58° | 8% | 14 mph SSE | 71% | 6 | |
| 3 PM | Partly Cloudy | 64° | 57° | 9% | 14 mph SSE | 73% | 4 | |
| 4 PM | Sunny | 63° | 57° | 10% | 14 mph S | 76% | 3 | |
| 5 PM | Sunny | 62° | 56° | 10% | 14 mph S | 79% | 1 | |
| 6 PM | Partly Cloudy | 61° | 55° | 16% | 12 mph S | 84% | 0 | |
| 7 PM | Partly Cloudy | 58° | 54° | 19% | 10 mph S | 91% | 0 | |
| 8 PM | Cloudy | 56° | 52° | 25% | 9 mph S | 96% | 0 | |
| 9 PM | Cloudy | 55° | 52° | 27% | 8 mph S | 97% | 0 | |
| 10 PM | Cloudy | 56° | 53° | 23% | 7 mph S | 90% | 0 | |
| 11 PM | Partly Cloudy | 56° | 53° | 20% | 6 mph S | 90% | 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 52°F (11°C) around 10 PM up to 65°F (18°C) near 12 PM - about 3°F (2°C) below the typical August high of 68°F (20°C).
A stray shower can't be ruled out - Rain chances top out at 24% around 9 PM.
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.