Tomorrow's Weather Forecast - Penang

Tomorrow’s Outlook

Tomorrow brings a similar temperature to today. Expect heavy rain in the morning and afternoon and evening and night, with rain chances climbing as high as 90%. That risk lines up with humidity averaging 93% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 93%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 5 km/h. Sunrise is at 7:10 AM and sunset at 7:20 PM, for about 12h 10m of daylight.

Tomorrow: 28°/ 23°; Today28° / 24°

Tomorrow’s Hourly Weather Outlook

Morning6 AM – Noon24°

Rain probability: 77%
Wind speed: 5 km/h

AfternoonNoon – 6 PM27°

Rain probability: 90%
Wind speed: 5 km/h

Evening6 PM – Midn25°

Rain probability: 79%
Wind speed: 4 km/h

NightMidn – 6 AM24°

Rain probability: 78%
Wind speed: 5 km/h

24-Hour Rain & Temperature Forecast

Tomorrow12 Sep

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0:00

1:00

2:00

3:00

4:00

5:00

6:00

7:00

8:00

9:00

10:00

11:00

12:00

13:00

14:00

15:00

16:00

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18:00

19:00

20:00

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22:00

23:00

Temperature · peaks at +28°C

+24

+23

+24

+25

+26

+27

+28

+27

+26

+25

+24

Wind & gusts · m/s

Rain probability · peaks at 90% at 14:00

53%

59%

65%

70%

75%

78%

77%

73%

71%

72%

75%

80%

86%

90%

88%

84%

79%

72%

65%

58%

50%

43%

Expected rainfall · 13.7mm total · peak at 0:00

1.4

1.3

0.5

0.1

0.7

0.9

0.7

1.1

1.2

0.4

1.2

0.6

0.7

0.3

0.2

0.1

0.5

0.1

0.6

0.2

Planning Advice for Tomorrow

Clothing: Waterproof jacket and umbrella strongly recommended.

Outdoor: Not ideal for outdoor plans or car washes — heavy rain expected.

Travel: Expect traffic slowdowns from wet roads. Allow extra time.

Sunrise & Sunset

Sunrise

7:10 AMDawn 6:40 AM

Total Daylight

12h 10m

Full day forecastSolar noon 1:15 PM

Sunset

7:20 PMDusk 7:50 PM

vs today0 min daylight

Sunrise shiftSame time

Sunset shiftSame time

5-Day Weather Forecast

Weather Insight

Penang is forecast to reach a high of 28°C tomorrow, with an overnight low around 23°C. That's 1° below the long-term average high of 29°C for this time of year. Expect a high chance of rain (90% probability) and light winds averaging 5 km/h. Air quality is currently good (AQI 42), with no notable outdoor health concerns.

Today vs Normal

28°C-1° below normal

The long-term average high for today is 29°C.

28 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.

Weather Insight

Today vs Normal

28°C-1° below normal

The long-term average high for today is 29°C.

28 of the last 28 days with published data ran above normal.

That's a break from the pattern - today's forecast runs below normal even though the recent stretch mostly ran above.

Red = above normal, blue = at or below · last 12 days

Air Quality

Good

Air quality is considered satisfactory, and air pollution poses little or no risk. It’s a good day to be active outside.