St. John's Vejr Prognose
St. John's weather: 11°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
14-day forecast for St. John's
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 16 | 🌧️ Byger | 19° / 11° | 61% · 16 mm | 18 km/h | 1 |
| tor, sep 17 | ☁️ Overskyet | 22° / 12° | 52% | 23 km/h | 5 |
| fre, sep 18 | 🌦️ Light showers | 14° / 12° | 58% · 6 mm | 15 km/h | 4 |
| lør, sep 19 | 🌧️ Byger | 15° / 8° | 80% · 12 mm | 47 km/h | 3 |
| søn, sep 20 | 🌦️ Light drizzle | 10° / 7° | 26% · 1 mm | 36 km/h | 5 |
| man, sep 21 | 🌦️ Light drizzle | 12° / 7° | 50% · 1 mm | 15 km/h | 3 |
| tir, sep 22 | ⛅ Delvist skyet | 13° / 8° | 37% | 19 km/h | 2 |
| ons, sep 23 | ⛅ Delvist skyet | 14° / 8° | 22% | 22 km/h | 1 |
| tor, sep 24 | 🌦️ Light drizzle | 18° / 9° | 15% · 1 mm | 28 km/h | 5 |
| fre, sep 25 | ☁️ Overskyet | 9° / 5° | 16% | 20 km/h | 3 |
| lør, sep 26 | ⛅ Delvist skyet | 9° / 4° | 18% | 11 km/h | 4 |
| søn, sep 27 | ☁️ Overskyet | 13° / 5° | 27% | 22 km/h | 3 |
| man, sep 28 | ☁️ Overskyet | 13° / 8° | 25% | 21 km/h | 4 |
| tir, sep 29 | ☁️ Overskyet | 11° / 8° | 15% | 20 km/h | 4 |
The two-week trend
Cooling. The second half of the window averages 2°C cooler than the days immediately ahead.
The window averages 14°C against a september normal of 17°C - 3°C below.
The next 7 days carry about 2.8 times a normal week's rain for september (36 mm against 13 mm).
What this means for St. John's
Today is slightly warmer than average for september. The forecast high of 19°C is 2.4°C above the 17°C typical for this month.
A 61% chance means rain is expected over most of the area. Plan indoor alternatives. Around 16 mm is forecast, which is enough og soak trails and slow traffic.
Wet roads are likely; braking distances roughly double in heavy rain.
Northern Hemisphere, so peak summer falls in juni og august.
The gap between the warmest and coldest month averages 19°C.
What og pack, what og skip
- Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
- A packable rain shell - 5 of the next 7 days carry a real chance of rain
- If your dates are flexible, avoid januar, februar and november - historically the least comfortable months here.
Se prognosen for St. John's efter tidsinterval
St. John's weather - more answers
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Frequently asked questions
Where is St. John's?
St. John's is a city in Newfoundland and Labrador. Its coordinates are 47.5615, -52.7126. It lies in Nordamerika.
What is the weather like in St. John's lige nu?
It is currently 11°C (51°F) med overskyet. Luftfugtighed is 93% and wind is 7 km/h.
When is the best time og visit St. John's?
juli, august and september offer the most comfortable conditions in St. John's, which has a subarctic climate. januar, februar and november are usually the hardest months for outdoor plans.
What time zone is St. John's in?
St. John's observes America/St_Johns (UTC-02:30). The local time is 12:13 AM.
How many people live in St. John's?
St. John's has a population of approximately 110.000.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-supported) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated september 16, 2026 at 12:13 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.





