Weather in Cascais for March 2026
Until now, March 2026 in Cascais is slightly cooler than the historical average by -1 °C.
The forecast for the upcoming days in Cascais predicts a temperature of 18.2 °C, which is slightly above the historical average.
In general, the average temperature in Cascais at the beginning of March is 14.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 17.9 °C by the end of March.
Cascais experiences heavy rainfall in March, with over 20 rainy days and an average total precipitation 116.2 mm.
Is March a good time to visit Cascais? check out the best time to travel to Cascais page.
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Cascais Weather March
Temperatures trend during March in Cascais
March weather in Cascais day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Mar. |  Partly cloudy | 14° /10° | 1.2 mm | 4 | |
| 2 Mar. |  Light rain shower | 14° /10° | 2.9 mm | 3 | |
| 3 Mar. | Patchy rain possible | 15° /9° | 1.6 mm | 3 | |
| 4 Mar. |  Overcast | 15° /11° | 3.2 mm | 3 | |
| 5 Mar. | Light rain shower | 15° /11° | 3.4 mm | 3 | |
| 6 Mar. | Light rain shower | 14° /10° | 4 mm | 3 | |
| 7 Mar. | Patchy rain possible | 15° /11° | 7.8 mm | 3 | |
| 8 Mar. | Overcast | 14° /11° | 7.5 mm | 3 | |
| 9 Mar. | Light rain shower | 14° /11° | 7.7 mm | 3 | |
| 10 Mar. | Light rain shower | 15° /12° | 5.2 mm | 3 | |
| 11 Mar. |  Mist | 16° /11° | 1.2 mm | 4 | |
| 12 Mar. | Overcast | 16° /11° | 1 mm | 4 | |
| 13 Mar. | Patchy rain possible | 16° /11° | 0.9 mm | 4 | |
| 14 Mar. | Patchy rain possible | 15° /11° | 0.4 mm | 4 | |
| 15 Mar. |  Sunny | 16° /11° | 0.8 mm | 4 | |
| 16 Mar. | Overcast | 17° /12° | 3.6 mm | 4 | |
| 17 Mar. |  Moderate rain at times | 17° /12° | 4.6 mm | 4 | |
| 18 Mar. | Patchy rain possible | 16° /12° | 4 mm | 3 | |
| 19 Mar. | Partly cloudy | 16° /12° | 16.9 mm | 4 | |
| 20 Mar. | Light rain shower | 16° /12° | 6 mm | 4 | |
| 21 Mar. | Light rain shower | 17° /12° | 3.2 mm | 4 | |
| 22 Mar. | Patchy rain possible | 17° /12° | 0.2 mm | 1.1 | |
| 23 Mar. | Sunny | 17° /13° | 0 mm | 1.2 | |
| 24 Mar. | Sunny | 17° /13° | 0 mm | 1.3 | |
| 25 Mar. | Sunny | 18° /14° | 0 mm | 1 | |
| 26 Mar. | Sunny | 18° /13° | 0 mm | 1.2 | |
| 27 Mar. | Sunny | 17° /13° | 0 mm | 4 | |
| 28 Mar. | Sunny | 17° /13° | 0 mm | 4 | |
| 29 Mar. | Sunny | 18° /12° | 0 mm | 4 | |
| 30 Mar. | Sunny | 18° /12° | 0 mm | 4 | |
| 31 Mar. | Sunny | 19° /14° | 0 mm | 5 | |
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Cascais weather in March vs February vs April
| February | March | April | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 15°/12° | 16°/12° | 18°/13° |
| Rainfall | 55 mm | 116 mm | 48 mm |
| Wind | 26.2 km/h | 28.8 km/h | 26.7 km/h |
| Humidity | 73% | 75% | 74% |
| Rainy days | 15 days | 30 days | 13 days |
| Dry days | 14 days | 1 days | 17 days |
Planning a trip to Cascais? Discover the best time to visit
Cascais in March - FAQ
What are the expected maximum and minimum temperatures in Cascais during March?
How much rainfall should be expected in Cascais during March?
What are the typical wind conditions in Cascais during March?
Cascais water temperatures in March
The average water temperature of the Atlantic Ocean near Cascais in March is 12.7 °C. At the beginning of March temperatures are around 13 °C; by the end of the month they get cooler and reach 11.9 °C.
- What is the water temperature in Cascais in March?
- The average water temperature in Cascais in March is 12.7 °C.
- Can you swim in Cascais in March?
- Cold enough that you lose heat fast. A full 4–5 mm wetsuit (plus hood/gloves for comfort) is advisable for anything beyond a brief plunge.
What to pack to Cascais in March?
As you prepare for your trip to Cascais in March, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Cascais, during March, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
March rainfall patterns in Cascais
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Where is Cascais?Get accurate weather forecasts for Cascais, located at latitude 38.697 and longitude -9.421. Stay updated with localized weather information tailored for Cascais.