St. John's Vejr Prognose
St. John's weather: 12°C, overskyet. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Will it rain in St. John's?
Yes - rain is likely in St. John's today.
A 76% chance means rain is expected over most of the area. Plan indoor alternatives. Around 33 mm is forecast, which is enough og soak trails and slow traffic.
Over the next 7 days, about 54 mm of precipitation is forecast, med the wettest days falling on ons, tor, fre, lør and man.
The next 7 days carry about 4.2 times a normal week's rain for september (54 mm against 13 mm).
16-day forecast for St. John's
Maks. / Min.; Nedbør; UV
| Dag | Forhold | Maks. / Min. | Nedbør | Vind | UV |
|---|---|---|---|---|---|
| ons, sep 16 | ⛈️ Violent showers | 19° / 11° | 76% · 33 mm | 19 km/h | 1 |
| tor, sep 17 | 🌦️ Light drizzle | 21° / 12° | 52% · 0 mm | 22 km/h | 5 |
| fre, sep 18 | 🌦️ Light showers | 15° / 12° | 74% · 14 mm | 17 km/h | 5 |
| lør, sep 19 | 🌦️ Light showers | 14° / 8° | 77% · 3 mm | 43 km/h | 1 |
| søn, sep 20 | ⛅ Delvist skyet | 11° / 6° | 35% | 34 km/h | 5 |
| man, sep 21 | 🌦️ Light drizzle | 12° / 7° | 57% · 1 mm | 12 km/h | 3 |
| tir, sep 22 | 🌦️ Light drizzle | 12° / 7° | 37% · 4 mm | 12 km/h | 2 |
| ons, sep 23 | ☁️ Overskyet | 10° / 6° | 22% | 14 km/h | 4 |
| tor, sep 24 | ☀️ Klar himmel | 16° / 6° | 15% | 19 km/h | 5 |
| fre, sep 25 | ☀️ Klar himmel | 16° / 9° | 16% | 19 km/h | 4 |
| lør, sep 26 | ☁️ Overskyet | 16° / 8° | 18% | 16 km/h | 0 |
| søn, sep 27 | ☁️ Overskyet | 17° / 11° | 27% | 19 km/h | 3 |
| man, sep 28 | 🌦️ Let regn | 13° / 9° | 25% · 2 mm | 14 km/h | 4 |
| tir, sep 29 | 🌦️ Let regn | 14° / 9° | 15% · 16 mm | 29 km/h | 4 |
| ons, sep 30 | 🌦️ Light drizzle | 13° / 8° | 19% · 1 mm | 34 km/h | 4 |
| tor, okt 1 | ☀️ Klar himmel | -- / -- | 26% | -- | — |
What this means for St. John's
Today is slightly warmer than average for september. The forecast high of 19°C is 2.1°C above the 17°C typical for this month.
A 76% chance means rain is expected over most of the area. Plan indoor alternatives. Around 33 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 12°C (53°F) med overskyet. Luftfugtighed is 99% 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 8:29 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 8:29 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
