St. John's, Canada 14-Day Forecast
Canada 🇨🇦
58°
Patchy rain nearby right now
Today: high 58°, low 55°
Updated 1 min ago
St. John's weather for the next 14 days
Friday, August 7
Patchy rain nearby High 61° Low 53°Precipitation
40%
· 0.01 in
Max wind
13 mph
Humidity
91%
UV index
6 - High
Sunrise / sunset
05:46 AM / 08:26 PM
Saturday, August 8
Patchy rain nearby High 62° Low 52°Precipitation
35%
· 0.01 in
Max wind
12 mph
Humidity
87%
UV index
7 - High
Sunrise / sunset
05:47 AM / 08:25 PM
Sunday, August 9
Sunny High 63° Low 52°Precipitation
16%
· 0.0 in
Max wind
7 mph
Humidity
84%
UV index
7 - High
Sunrise / sunset
05:48 AM / 08:23 PM
Monday, August 10
Mist High 59° Low 51°Precipitation
54%
· 0.02 in
Max wind
10 mph
Humidity
90%
UV index
5 - Moderate
Sunrise / sunset
05:50 AM / 08:21 PM
Tuesday, August 11
Mist High 65° Low 50°Precipitation
16%
· 0.0 in
Max wind
11 mph
Humidity
85%
UV index
5 - Moderate
Sunrise / sunset
05:51 AM / 08:20 PM
Wednesday, August 12
Light rain High 63° Low 55°Precipitation
92%
· 0.41 in
Max wind
22 mph
Humidity
96%
UV index
5 - Moderate
Sunrise / sunset
05:52 AM / 08:18 PM
Thursday, August 13
Partly Cloudy High 70° Low 57°Precipitation
15%
· 0.0 in
Max wind
13 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:54 AM / 08:16 PM
Friday, August 14
Sunny High 69° Low 56°Precipitation
63%
· 0.11 in
Max wind
11 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
05:55 AM / 08:15 PM
Saturday, August 15
Overcast High 68° Low 61°Precipitation
85%
· 0.12 in
Max wind
11 mph
Humidity
94%
UV index
5 - Moderate
Sunrise / sunset
05:56 AM / 08:13 PM
Sunday, August 16
Sunny High 69° Low 56°Precipitation
10%
· 0.0 in
Max wind
17 mph
Humidity
74%
UV index
6 - High
Sunrise / sunset
05:58 AM / 08:11 PM
Monday, August 17
Sunny High 65° Low 52°Precipitation
8%
· 0.0 in
Max wind
16 mph
Humidity
72%
UV index
5 - Moderate
Sunrise / sunset
05:59 AM / 08:10 PM
Tuesday, August 18
Patchy rain nearby High 66° Low 53°Precipitation
47%
· 0.03 in
Max wind
7 mph
Humidity
83%
UV index
5 - Moderate
Sunrise / sunset
06:00 AM / 08:08 PM
Wednesday, August 19
Light rain High 56° Low 54°Precipitation
92%
· 0.66 in
Max wind
21 mph
Humidity
95%
UV index
3 - Moderate
Sunrise / sunset
06:02 AM / 08:06 PM
St. John's 14-day outlook: the story
The warmest day of St. John's's 14-day outlook is Thursday, August 13 with a high near 70°F (21°C); the coolest night comes Tuesday, August 11, dipping to 50°F (10°C). The trend points warmer: week two runs about 5°F above week one. Highs over the next two weeks average 62°F (16°C), about 6°F (3°C) below the typical August high of 68°F (20°C).
Precipitation is most likely on Thursday 6, Monday 10, Wednesday 12, Friday 14 and beyond; the wettest day looks like Wednesday, August 19 with about 0.66 in (16.8 mm) expected. For the weekend, expect Saturday 62°F (17°C) and patchy rain nearby / Sunday 63°F (17°C) and sunny.
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 6 of the next 14 days, peaking around Wednesday, August 19.
What will be the warmest day in St. John's over the next 14 days?
Thursday, August 13, with a forecast high near 70°F (21°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