St. John's, Canada 14-Day Forecast
Canada 🇨🇦
70°
Partly cloudy right now
Today: high 67°, low 52°
Updated just now
St. John's weather for the next 14 days
Saturday, July 18
Sunny High 65° Low 51°Precipitation
39%
· 0.02 in
Max wind
14 mph
Humidity
76%
UV index
6 - Moderate
Sunrise / sunset
05:22 AM / 08:51 PM
Sunday, July 19
Partly Cloudy High 67° Low 53°Precipitation
25%
· 0.01 in
Max wind
22 mph
Humidity
75%
UV index
7 - High
Sunrise / sunset
05:23 AM / 08:50 PM
Monday, July 20
Sunny High 70° Low 54°Precipitation
78%
· 0.39 in
Max wind
22 mph
Humidity
82%
UV index
8 - High
Sunrise / sunset
05:24 AM / 08:49 PM
Tuesday, July 21
Sunny High 69° Low 53°Precipitation
7%
· 0.0 in
Max wind
9 mph
Humidity
72%
UV index
6 - High
Sunrise / sunset
05:25 AM / 08:48 PM
Wednesday, July 22
Partly Cloudy High 64° Low 55°Precipitation
14%
· 0.0 in
Max wind
13 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
05:26 AM / 08:47 PM
Thursday, July 23
Cloudy High 76° Low 55°Precipitation
19%
· 0.0 in
Max wind
19 mph
Humidity
86%
UV index
6 - High
Sunrise / sunset
05:27 AM / 08:46 PM
Friday, July 24
Partly Cloudy High 75° Low 64°Precipitation
19%
· 0.0 in
Max wind
16 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:28 AM / 08:45 PM
Saturday, July 25
Patchy rain nearby High 72° Low 63°Precipitation
84%
· 0.16 in
Max wind
11 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
05:29 AM / 08:44 PM
Sunday, July 26
Light rain High 64° Low 59°Precipitation
94%
· 0.88 in
Max wind
13 mph
Humidity
98%
UV index
4 - Moderate
Sunrise / sunset
05:31 AM / 08:43 PM
Monday, July 27
Sunny High 72° Low 59°Precipitation
80%
· 0.34 in
Max wind
12 mph
Humidity
84%
UV index
6 - High
Sunrise / sunset
05:32 AM / 08:42 PM
Tuesday, July 28
Light rain High 67° Low 58°Precipitation
91%
· 0.36 in
Max wind
11 mph
Humidity
93%
UV index
5 - Moderate
Sunrise / sunset
05:33 AM / 08:40 PM
Wednesday, July 29
Sunny High 76° Low 63°Precipitation
19%
· 0.0 in
Max wind
12 mph
Humidity
85%
UV index
6 - High
Sunrise / sunset
05:34 AM / 08:39 PM
Thursday, July 30
Cloudy High 76° Low 64°Precipitation
23%
· 0.0 in
Max wind
16 mph
Humidity
87%
UV index
6 - High
Sunrise / sunset
05:36 AM / 08:38 PM
St. John's 14-day outlook: the story
The warmest day of St. John's's 14-day outlook is Thursday, July 23 with a high near 76°F (25°C); the coolest night comes Saturday, July 18, dipping to 51°F (10°C). The trend points warmer: week two runs about 3°F above week one. Highs over the next two weeks average 68°F (20°C), right in line with the typical July high of 66°F (19°C).
Precipitation is most likely on Monday 20, Saturday 25, Sunday 26, Monday 27 and beyond; the wettest day looks like Sunday, July 26 with about 0.88 in (22.2 mm) expected. For the weekend, expect Saturday 65°F (18°C) and sunny / Sunday 67°F (19°C) and partly cloudy.
For typical conditions month by month, see the St. John's climate & average temperatures guide.
St. John's forecast questions
Will it rain in St. John's this week?
The forecast currently shows meaningful precipitation chances on 5 of the next 14 days, peaking around Sunday, July 26.
What will be the warmest day in St. John's over the next 14 days?
Thursday, July 23, with a forecast high near 76°F (25°C).
How accurate is a 14-day forecast for St. John's?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in St. John's by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 33° | 23° | 16 | 6.1 in | 3.9 h/day | 81% |
| February | 33° | 21° | 14 | 5.0 in | 4.8 h/day | 77% |
| March | 35° | 24° | 14 | 5.0 in | 6.5 h/day | 79% |
| April | 41° | 31° | 14 | 4.8 in | 6.6 h/day | 82% |
| May | 49° | 36° | 12 | 3.6 in | 8.6 h/day | 82% |
| June | 58° | 46° | 13 | 4.2 in | 7.8 h/day | 85% |
| July | 66° | 54° | 12 | 3.6 in | 9.0 h/day | 86% |
| August | 68° | 58° | 11 | 3.7 in | 8.9 h/day | 83% |
| September | 62° | 52° | 12 | 4.7 in | 7.2 h/day | 82% |
| October | 53° | 44° | 12 | 3.9 in | 5.6 h/day | 81% |
| November | 45° | 36° | 14 | 6.1 in | 3.9 h/day | 81% |
| December | 37° | 28° | 14 | 5.0 in | 3.2 h/day | 80% |
14-day forecasts nearby