Castro Marim Weather Conditions

Current Temperature Level

clear
21°C
31°C20°C
Pleasant

Clear

Feels Like 20°C

Chances of Rain6%

Moderate

63AQI

Humidity

69%

Nowclear22°6%5 AMclear21°5%6 AMclear21°6%7 AMsunny20°8%8 AMsunny21°7%9 AMsunny23°5%10 AMpartly cloudy26°4%11 AMsunny28°1%12 PMsunny30°1%1 PMsunny30°1%2 PMsunny31°1%3 PMsunny31°1%4 PMsunny31°1%5 PMsunny30°1%6 PMsunny29°1%7 PMsunny28°1%8 PMsunny28°1%9 PMclear26°1%10 PMclear25°2%11 PMclear24°3%12 AMclear23°3%1 AMclear23°3%2 AMclear22°4%3 AMclear22°4%
.

Skies are likely to remain clear overnight.

Last Updated: 2026-08-09 04:15 (Local Time)

Castro Marim Weather Parameters

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Castro Marim 10-Days Weather Forecast

See Monthly
Today9 Aug.


Sunny

Sunny

Clear Sky with temperature at 26 °C and humidity will be at 54% with 28.8 km/h winds.


temperature icon

31°C  /  20°C

temperature iconHumi.54 %
temperature iconPrec.0 mm


Sunrise icon

Sunrise

06:41 AM

13hrs 48min

Sunset icon

Sunset

08:29 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

ClearClear

24 °C

65 %

0

21.6 kmph /  NNW

Feels Like IconFeels 22 °C

Temperature IconCover 1 %

Visibility IconVisibility 10 km

1 AM

ClearClear

23 °C

69 %

0

20.9 kmph /  NNW

Feels Like IconFeels 22 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

2 AM

ClearClear

23 °C

71 %

0

21.2 kmph /  NNW

Feels Like IconFeels 21 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

3 AM

ClearClear

22 °C

71 %

0

21.2 kmph /  NNW

Feels Like IconFeels 20 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

4 AM

ClearClear

22 °C

69 %

0

20.9 kmph /  NNW

Feels Like IconFeels 20 °C

Temperature IconCover 4 %

Visibility IconVisibility 10 km

5 AM

ClearClear

21 °C

69 %

0

18.7 kmph /  NNW

Feels Like IconFeels 20 °C

Temperature IconCover 2 %

Visibility IconVisibility 10 km

6 AM

ClearClear

21 °C

72 %

0

19.1 kmph /  NNW

Feels Like IconFeels 19 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

20 °C

77 %

0

23.4 kmph /  NNW

Feels Like IconFeels 18 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

8 AM

SunnySunny

21 °C

73 %

0.4

25.2 kmph /  NNW

Feels Like IconFeels 19 °C

Temperature IconCover 2 %

Visibility IconVisibility 10 km

9 AM

SunnySunny

23 °C

62 %

1.4

24.1 kmph /  NNW

Feels Like IconFeels 21 °C

Temperature IconCover 21 %

Visibility IconVisibility 10 km

10 AM

Partly CloudyPartly Cloudy

26 °C

51 %

3.1

22.3 kmph /  NNW

Feels Like IconFeels 24 °C

Temperature IconCover 32 %

Visibility IconVisibility 10 km

11 AM

SunnySunny

28 °C

41 %

5.4

17.3 kmph /  NNW

Feels Like IconFeels 28 °C

Temperature IconCover 8 %

Visibility IconVisibility 10 km

12 PM

SunnySunny

30 °C

37 %

7.5

14 kmph /  NW

Feels Like IconFeels 28 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

30 °C

37 %

8.7

12.6 kmph /  W

Feels Like IconFeels 29 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

2 PM

SunnySunny

31 °C

36 %

8.7

14.4 kmph /  WSW

Feels Like IconFeels 29 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

3 PM

SunnySunny

31 °C

38 %

7.5

16.6 kmph /  WSW

Feels Like IconFeels 29 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

31 °C

40 %

5.5

19.4 kmph /  SW

Feels Like IconFeels 29 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

30 °C

41 %

3.2

19.8 kmph /  SW

Feels Like IconFeels 30 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

6 PM

SunnySunny

29 °C

43 %

1.5

21.2 kmph /  SW

Feels Like IconFeels 29 °C

Temperature IconCover 4 %

Visibility IconVisibility 10 km

7 PM

SunnySunny

28 °C

42 %

0.4

18.7 kmph /  SW

Feels Like IconFeels 28 °C

Temperature IconCover 3 %

Visibility IconVisibility 10 km

8 PM

SunnySunny

28 °C

43 %

0

15.8 kmph /  WNW

Feels Like IconFeels 27 °C

Temperature IconCover 2 %

Visibility IconVisibility 10 km

9 PM

ClearClear

26 °C

44 %

0

28.8 kmph /  NW

Feels Like IconFeels 25 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

10 PM

ClearClear

25 °C

50 %

0

26.3 kmph /  NW

Feels Like IconFeels 21 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

11 PM

ClearClear

24 °C

55 %

0

23 kmph /  NNW

Feels Like IconFeels 20 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

Temp22 °C


ConditionClear


Humidity69 %

Feels20 °C


Cover4 %


Visibility10 km

Wind Speed & Dir.20.9 kmph /  NNW


UV0

Castro Marim 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny33°23°
2
Sunny31°20°
3
Sunny30°20°
4
Sunny28°20°
5
Sunny31°21°
6
Sunny33°20°
7
Sunny35°21°
8
Sunny34°22°
9Today
Sunny31°20°
10
Sunny31°20°
11
Sunny32°20°
12
Sunny32°21°
13
Sunny34°21°
14
Sunny33°21°
15
Sunny30°21°
16
Sunny31°21°
17
Sunny31°21°
18
Sunny32°21°
19
Sunny32°21°
20
Sunny32°21°
21
Rain Possible31°22°
22
Sunny32°21°
23
Sunny31°21°
24
Rain Possible31°21°
25
Sunny31°21°
26
Rain Possible30°21°
27
Sunny31°20°
28
Rain Possible31°20°
29
Rain Possible30°20°
30
Rain Possible30°20°
31
Rain Possible29°21°

AugustWeather Overview

No. of days:

Sunny

Sunny

24

Cloudy

Cloudy

0

Rainy

Rainy

7

Snowy

Snowy

0


The monthly weather averages in Castro Marim consist of 24 sunny days, 0 cloudy days, 7 rainy days, and 0 snowy days.

Castro Marim's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
21 °C
clearClear
69%
0

18.7 kmph /  NNW

Portugal's Hottest Cities - August 2026

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Last Updated: 09 Aug 2026, 04:02 AM

City Weather Rankings

FAQs About Castro Marim Weather Conditions


1. What is the current temperature in Castro Marim today - 09 August 2026?

The current temperature in Castro Marim is 21°C, with a feels-like temperature of 20°C. Today's forecast shows a high of 31°C and a low of 20°C, giving a 11 degree swing through the day as of 04:15 AM 09 August 2026.

2. What are the current weather parameters in Castro Marim today?

Here is a complete overview of Castro Marim's current weather conditions as of 04:15 AM 09 August 2026: Condition : Clear Temperature : 21°C Pleasant (Feels like 20°C) Humidity : 69% Wind Speed : 18.7 km/h from NNW (333 degrees), Gust 8.4 m/s UV Index : 0 (Low Air Pressure : 1014 mb Cloud Cover : 2% Visibility : 10 km Precipitation : 0 mm (2% chance of rain)

3. What is the 10-day weather forecast for Castro Marim from 04:15 AM 09 August 2026?

From 04:15 AM 09 August 2026, Castro Marim's 10-day forecast shows this trend: Today (Aug. 9) : Temp. 26°C, Hum. 54% and Sunny condition. Monday (Aug. 10) : Temp. 25°C, Hum. 50% and Sunny condition. Tuesday (Aug. 11) : Temp. 26°C, Hum. 51% and Sunny condition. Wednesday (Aug. 12) : Temp. 27°C, Hum. 48% and Sunny condition. Thursday (Aug. 13) : Temp. 28°C, Hum. 45% and Sunny condition. Friday (Aug. 14) : Temp. 27°C, Hum. 50% and Sunny condition. Saturday (Aug. 15) : Temp. 26°C, Hum. 55% and Sunny condition. Sunday (Aug. 16) : Temp. 27°C, Hum. 55% and Sunny condition. Monday (Aug. 17) : Temp. 26°C, Hum. 60% and Sunny condition. Tuesday (Aug. 18) : Temp. 26°C, Hum. 59% and Sunny condition.

4. Will it rain in Castro Marim today?

As of 04:15 AM 09 August 2026, there is a 5% chance of rainfall in Castro Marim later today around 2026-08-09 05:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Castro Marim in August 2026?

August 2026 in Castro Marim is forecast to have 24 sunny days, 7 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 20°C to highs of 35°C.

6. How does the weather in Castro Marim affect air quality?

Weather directly impacts air quality in Castro Marim. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.