13°
Fog, feels like 13°.
Viana do Castelo, Portugal · Monday, 26 October 2026 01:45 local time
Low/High
12°/18°
Humidity
98%
Visibility
5.4 km
Wind
4.7 km/h
Dew point
12°
UV
0.0
Next 24 Hours
Viana do Castelo Hourly Weather — 48 hours ahead
| Time | Weather | Temperature | Feels like | Rain | Humidity | Wind | |
|---|---|---|---|---|---|---|---|
| Monday, 26 October 2026 | |||||||
| 01:00 | | Fog | 13° | 13° | 0% | 99% | 5 km/h |
| 02:00 | | Fog | 12° | 12° | 0% | 98% | 5 km/h |
| 03:00 | | Fog | 12° | 12° | 0% | 98% | 5 km/h |
| 04:00 | | Fog | 12° | 12° | 0% | 98% | 5 km/h |
| 05:00 | | Fog | 12° | 12° | 0% | 99% | 5 km/h |
| 06:00 |  | Fog | 12° | 12° | 0% | 99% | 5 km/h |
| 07:00 | | Fog | 12° | 12° | 0% | 99% | 5 km/h |
| 08:00 | | Fog | 12° | 12° | 0% | 99% | 6 km/h |
| 09:00 | | Fog | 14° | 14° | 0% | 95% | 6 km/h |
| 10:00 |  | Mostly clear | 16° | 16° | 0% | 86% | 5 km/h |
| 11:00 | | Mostly clear | 18° | 18° | 0% | 80% | 4 km/h |
| 12:00 | | Mostly clear | 18° | 19° | 0% | 75% | 7 km/h |
| 13:00 | | Mostly clear | 18° | 18° | 0% | 79% | 8 km/h |
| 14:00 |  | Clear sky | 17° | 17° | 0% | 77% | 9 km/h |
| 15:00 | | Mostly clear | 16° | 16° | 0% | 85% | 8 km/h |
| 16:00 | | Partly cloudy | 16° | 16° | 0% | 90% | 8 km/h |
| 17:00 | | Partly cloudy | 15° | 15° | 0% | 90% | 8 km/h |
| 18:00 |  | Partly cloudy | 15° | 15° | 0% | 94% | 6 km/h |
| 19:00 | | Partly cloudy | 14° | 14° | 0% | 95% | 7 km/h |
| 20:00 | | Overcast | 14° | 14° | 0% | 93% | 6 km/h |
| 21:00 | | Overcast | 14° | 14° | 0% | 94% | 7 km/h |
| 22:00 | | Partly cloudy | 14° | 14° | 0% | 94% | 7 km/h |
| 23:00 | | Partly cloudy | 14° | 14° | 0% | 95% | 8 km/h |
| Tuesday, 27 October 2026 | |||||||
| 00:00 | | Partly cloudy | 14° | 14° | 0% | 94% | 8 km/h |
| 01:00 | | Partly cloudy | 14° | 14° | 5% | 92% | 8 km/h |
| 02:00 | | Partly cloudy | 15° | 15° | 11% | 92% | 7 km/h |
| 03:00 |  | Light showers | 15° | 15° | 19% | 92% | 7 km/h |
| 04:00 | | Partly cloudy | 14° | 14° | 27% | 91% | 6 km/h |
| 05:00 | | Overcast | 15° | 15° | 37% | 90% | 7 km/h |
| 06:00 | | Overcast | 15° | 15° | 48% | 89% | 9 km/h |
| 07:00 | | Overcast | 15° | 15° | 63% | 89% | 9 km/h |
| 08:00 | | Overcast | 16° | 15° | 80% | 88% | 11 km/h |
| 09:00 |  | Light rain | 16° | 16° | 90% | 88% | 9 km/h |
| 10:00 | | Overcast | 16° | 16° | 90% | 88% | 9 km/h |
| 11:00 | | Light rain | 16° | 16° | 84% | 91% | 8 km/h |
| 12:00 | | Overcast | 16° | 16° | 74% | 91% | 10 km/h |
| 13:00 | | Overcast | 16° | 17° | 59% | 90% | 2 km/h |
| 14:00 | | Overcast | 16° | 17° | 39% | 89% | 8 km/h |
| 15:00 | | Partly cloudy | 17° | 17° | 23% | 84% | 8 km/h |
| 16:00 | | Mostly clear | 17° | 17° | 12% | 82% | 9 km/h |
| 17:00 | | Mostly clear | 16° | 16° | 5% | 83% | 9 km/h |
| 18:00 | | Mostly clear | 15° | 15° | 0% | 85% | 8 km/h |
| 19:00 | | Mostly clear | 15° | 14° | 0% | 89% | 6 km/h |
| 20:00 | | Mostly clear | 14° | 14° | 0% | 93% | 5 km/h |
| 21:00 | | Mostly clear | 13° | 13° | 0% | 94% | 5 km/h |
| 22:00 | | Fog | 12° | 12° | 0% | 96% | 4 km/h |
| 23:00 | | Fog | 12° | 11° | 0% | 98% | 5 km/h |
| Wednesday, 28 October 2026 | |||||||
| 00:00 | | Fog | 11° | 11° | 0% | 98% | 5 km/h |
Summary
This page uses one forecast point in Viana do Castelo. Conditions vary across the region.
Over the next 48 hours in Viana do Castelo, temperatures range from 11 to 18°C. The highest chance of rain is 90%, around 09:00 on Tuesday (local time).
Updated at 01:47 local time, 26 October 2026
Viana do Castelo Hourly Temperature and Chance of Rain
Viana do Castelo Air Quality
Moderate · AQI 51Air quality is acceptable; people who are unusually sensitive should consider limiting prolonged outdoor exertion.
PM2.5 (µg/m³)13
PM10 (µg/m³)15
O₃ (µg/m³)34
NO₂ (µg/m³)10
SO₂ (µg/m³)0.7
CO (µg/m³)174
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