Current Conditions
Paço de Arcos, Lisbon
Wind
NW 11 mph18 km/h
Humidity
90%
Cloud Cover
94%
As of Tuesday, September 8, 2026 at 8:52 PM GMT+1
Today's Outlook
Night
Mostly cloudy, with a low around 66°F19°C. Windy from the NNW at 14 to 18 mph23 to 29 km/h.
7-Day Forecast
| Day | Condition | High (°F) | Low (°F) | Precip (mm) | Cloud Cover (%) | Wind (mph) | |
|---|---|---|---|---|---|---|---|
| Partly Cloudy | High 71°F22°C | Low 66°F19°C | Precip 0 in0.1 mm4% | Cloud 43% | Wind NNW 15 mph24 km/h | Wednesday: Partly cloudy and warm, with a high of 71°F22°C and morning low of 67°F19°C. Windy from the NNW at 16 to 18 mph25 to 29 km/h. Wednesday Night: Mostly cloudy, with a low around 66°F19°C. Windy from the NNW at 14 to 18 mph23 to 29 km/h. | |
| Clear | High 74°F24°C | Low 65°F18°C | Precip 0 in0 mm— | Cloud 12% | Wind NNW 14 mph22 km/h | Thursday: Mostly clear and warm, with a high of 74°F24°C and morning low of 65°F18°C. Breezy from the NNW at 13 to 15 mph20 to 24 km/h. Thursday Night: Mostly clear, with a low around 65°F19°C. Windy from the NNW at 15 to 16 mph24 to 27 km/h. | |
| Clear | High 76°F24°C | Low 65°F19°C | Precip 0 in0 mm— | Cloud 0% | Wind N 13 mph21 km/h | Friday: Mostly clear and warm, with a high of 76°F24°C and morning low of 65°F19°C. Breezy from the N at 12 to 14 mph20 to 22 km/h. Friday Night: Mostly clear, with a low around 66°F19°C. Breezy from the N at 14 to 15 mph23 to 24 km/h. | |
| Clear | High 79°F26°C | Low 67°F19°C | Precip 0 in0 mm— | Cloud 1% | Wind N 9 mph15 km/h | Saturday: Mostly clear and warm, with a high of 79°F26°C and morning low of 67°F19°C. Breezy from the N at 7 to 9 mph11 to 15 km/h. Saturday Night: Mostly clear, with a low around 67°F20°C. Breezy from the N at 12 to 13 mph19 to 21 km/h. | |
| Clear | High 80°F27°C | Low 71°F21°C | Precip 0 in0 mm— | Cloud 0% | Wind N 9 mph14 km/h | Sunday: Mostly clear and warm, with a high of 80°F27°C and morning low of 71°F21°C. Breezy from the NNE at 6 to 8 mph10 to 13 km/h. Sunday Night: Mostly clear, with a low around 71°F22°C. Breezy from the N at 11 mph17 km/h. | |
| Clear | High 79°F26°C | Low 70°F21°C | Precip 0 in0 mm— | Cloud 2% | Wind NNW 8 mph12 km/h | Monday: Mostly clear and warm, with a high of 79°F26°C and morning low of 70°F21°C. Breezy from the NW at 6 to 9 mph10 to 14 km/h. Monday Night: Mostly clear, with a low around 71°F22°C. Breezy from the N at 9 to 11 mph15 to 17 km/h. | |
| Clear | High 76°F25°C | Low 68°F20°C | Precip 0 in0 mm— | Cloud 10% | Wind NNW 12 mph19 km/h | Tuesday: Mostly clear and warm, with a high of 76°F25°C and morning low of 68°F20°C. Breezy from the NNW at 11 to 14 mph18 to 23 km/h. Tuesday Night: Mostly clear, with a low around 69°F21°C. Windy from the NNW at 12 to 16 mph20 to 25 km/h. |
15-Day Forecast
| Day | High | Low | Precip | Cloud Cover | Condition | Wind | |
|---|---|---|---|---|---|---|---|
| WednesdaySep 9 | 71°F22°C | 66°F19°C | 0 in0.1 mm· 4% | 43% | Partly Cloudy | NNW 15 mph24 km/h | |
DayPartly cloudy and warm, with a high of 71°F22°C and morning low of 67°F19°C. Windy from the NNW at 16 to 18 mph25 to 29 km/h. NightMostly cloudy, with a low around 66°F19°C. Windy from the NNW at 14 to 18 mph23 to 29 km/h. | |||||||
| ThursdaySep 10 | 74°F24°C | 65°F18°C | 0 in0 mm· — | 12% | Clear | NNW 14 mph22 km/h | |
DayMostly clear and warm, with a high of 74°F24°C and morning low of 65°F18°C. Breezy from the NNW at 13 to 15 mph20 to 24 km/h. NightMostly clear, with a low around 65°F19°C. Windy from the NNW at 15 to 16 mph24 to 27 km/h. | |||||||
| FridaySep 11 | 76°F24°C | 65°F19°C | 0 in0 mm· — | 0% | Clear | N 13 mph21 km/h | |
DayMostly clear and warm, with a high of 76°F24°C and morning low of 65°F19°C. Breezy from the N at 12 to 14 mph20 to 22 km/h. NightMostly clear, with a low around 66°F19°C. Breezy from the N at 14 to 15 mph23 to 24 km/h. | |||||||
| SaturdaySep 12 | 79°F26°C | 67°F19°C | 0 in0 mm· — | 1% | Clear | N 9 mph15 km/h | |
DayMostly clear and warm, with a high of 79°F26°C and morning low of 67°F19°C. Breezy from the N at 7 to 9 mph11 to 15 km/h. NightMostly clear, with a low around 67°F20°C. Breezy from the N at 12 to 13 mph19 to 21 km/h. | |||||||
| SundaySep 13 | 80°F27°C | 71°F21°C | 0 in0 mm· — | 0% | Clear | N 9 mph14 km/h | |
DayMostly clear and warm, with a high of 80°F27°C and morning low of 71°F21°C. Breezy from the NNE at 6 to 8 mph10 to 13 km/h. NightMostly clear, with a low around 71°F22°C. Breezy from the N at 11 mph17 km/h. | |||||||
| MondaySep 14 | 79°F26°C | 70°F21°C | 0 in0 mm· — | 2% | Clear | NNW 8 mph12 km/h | |
DayMostly clear and warm, with a high of 79°F26°C and morning low of 70°F21°C. Breezy from the NW at 6 to 9 mph10 to 14 km/h. NightMostly clear, with a low around 71°F22°C. Breezy from the N at 9 to 11 mph15 to 17 km/h. | |||||||
| TuesdaySep 15 | 76°F25°C | 68°F20°C | 0 in0 mm· — | 10% | Clear | NNW 12 mph19 km/h | |
DayMostly clear and warm, with a high of 76°F25°C and morning low of 68°F20°C. Breezy from the NNW at 11 to 14 mph18 to 23 km/h. NightMostly clear, with a low around 69°F21°C. Windy from the NNW at 12 to 16 mph20 to 25 km/h. | |||||||
| WednesdaySep 16 | 73°F23°C | 67°F19°C | 0 in0 mm· — | 23% | Clear | NNW 16 mph26 km/h | |
DayMostly clear and warm, with a high of 73°F23°C and morning low of 67°F19°C. Windy from the NNW at 15 to 17 mph25 to 28 km/h. NightMostly clear, with a low around 67°F20°C. Windy from the NNW at 16 to 18 mph26 to 29 km/h. | |||||||
| ThursdaySep 17 | 73°F23°C | 66°F19°C | 0 in0 mm· — | 26% | Clear | NNW 14 mph22 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the N at 13 to 14 mph20 to 22 km/h. NightPartly cloudy, with a low around 66°F19°C. Breezy from the NNW at 15 mph23 km/h. | |||||||
| FridaySep 18 | 73°F23°C | 66°F19°C | 0.01 in0.3 mm· 5% | 26% | Clear | NNW 11 mph18 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the NNW at 11 to 12 mph17 to 20 km/h. NightMostly clear, with a low around 66°F19°C. Breezy from the NNW at 12 to 13 mph20 to 22 km/h. | |||||||
| SaturdaySep 19 | 73°F23°C | 65°F19°C | 0.02 in0.5 mm· 4% | 26% | Clear | NNW 10 mph16 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 65°F19°C. Breezy from the NNW at 10 to 11 mph15 to 18 km/h. NightMostly clear, with a low around 66°F19°C. Breezy from the NNW at 11 to 12 mph17 to 19 km/h. | |||||||
| SundaySep 20 | 73°F23°C | 66°F19°C | 0.02 in0.5 mm· 5% | 28% | Clear | NNW 9 mph15 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the NNW at 9 to 11 mph14 to 17 km/h. NightPartly cloudy, with a low around 66°F19°C. Breezy from the NNW at 10 to 12 mph16 to 19 km/h. | |||||||
| MondaySep 21 | 73°F23°C | 66°F19°C | 0.02 in0.6 mm· 8% | 32% | Clear | NNW 10 mph16 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the NNW at 9 to 11 mph15 to 18 km/h. NightPartly cloudy, with a low around 66°F19°C. Breezy from the NNW at 10 to 12 mph16 to 19 km/h. | |||||||
| TuesdaySep 22 | 73°F23°C | 66°F19°C | 0.04 in1.1 mm· 9% | 36% | Clear | NNW 11 mph17 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the NNW at 10 to 12 mph16 to 19 km/h. NightPartly cloudy, with a low around 67°F19°C. Breezy from the NNW at 11 to 13 mph18 to 21 km/h. | |||||||
| WednesdaySep 23 | 73°F23°C | 66°F19°C | 0.04 in1.1 mm· 10% | 37% | Drizzle | NNW 11 mph18 km/h | |
DayPartly cloudy and warm, with a high of 73°F23°C and morning low of 66°F19°C. Breezy from the NNW at 11 to 13 mph18 to 20 km/h. 10% chance of drizzle throughout the day. NightPartly cloudy, with a low around 66°F19°C. Breezy from the NNW at 12 to 13 mph19 to 21 km/h. 10% chance of drizzle throughout the night. | |||||||
Nearby Cities
About This Forecast
This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.
WeatherMesh consistently outperforms legacy models in independent benchmarks. View Benchmarks →
Access WeatherMesh forecasts programmatically via our API. API Documentation →
Coordinates: 38.6957°N, 9.2914°W·Elevation: 15m·Timezone: Europe/Lisbon·Population: 25,974