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Weather for tomorrow

Sao Luis

Brazil
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Weather tomorrow: Sao Luis

Forecast for tomorrow, 28 September: overcast and showers. The daily air temperature range is 26 to 29 °C. Chance of precipitation tomorrow according to the daily forecast: 52%. Forecast precipitation amount: 0.9 mm. Wind from the northeast at 9.2 m/s.

monday 28 september

Overcast and showers

Overcast and showers, Precipitation probability 52%, Sunrise 05:44, Sunset 17:51, 28.09.2026

+29°

+26°

Sunset 17:51

G/m activity 2

Precipitation probability 52%

Precipitation 0.9 mm

Wind 9.2 m/s

Pressure 1011.9 hPa

Index UV 11

Humidity 79%

Sunrise 05:44

Moon Waning Gibbous

Sunrise 05:44

Sunset 17:51

G/m activity 2

Moon Waning Gibbous

Partly cloudy
night
+27°
Overcast, thunderstorms with rain
morning
+27°
Overcast
day
+28°
Partly cloudy
evening
+27°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Partly cloudy

27°

11 %
-

NE

8.3 m/s

01:00

Overcast and showers

27°

24 %
-

NE

8.1 m/s

02:00

Overcast and showers

27°

24 %
-

NE

8.6 m/s

03:00

Overcast, thunderstorms with rain

27°

23 %
-

NE

8.3 m/s

04:00

Overcast and showers

27°

32 %
0.1 mm

NE

7.5 m/s

05:00

Overcast, thunderstorms with rain

27°

30 %
0.1 mm

NE

7.8 m/s

06:00

Overcast, thunderstorms with rain

27°

21 %
0.1 mm

NE

8.3 m/s

07:00

Overcast, thunderstorms with rain

27°

27 %
0.1 mm

NE

8.3 m/s

08:00

Overcast and showers

27°

27 %
0.1 mm

E

8.6 m/s

09:00

Overcast and showers

28°

22 %
0.1 mm

NE

8.9 m/s

10:00

Overcast, thunderstorms with rain

29°

16 %
-

NE

9.2 m/s

11:00

Overcast and showers

29°

17 %
-

NE

9.4 m/s

12:00

Overcast

28°

16 %
-

NE

9.2 m/s

13:00

Cloudy

28°

15 %
-

NE

8.6 m/s

14:00

Overcast and showers

28°

19 %
-

NE

8.9 m/s

15:00

Cloudy

28°

8 %
-

NE

8.9 m/s

16:00

Partly cloudy

28°

8 %
-

NE

8.9 m/s

17:00

Partly cloudy

27°

8 %
-

NE

8.9 m/s

18:00

Partly cloudy

27°

9 %
-

NE

8.3 m/s

19:00

Clear

27°

8 %
-

NE

7.5 m/s

20:00

Clear

27°

8 %
-

NE

7.2 m/s

21:00

Clear

27°

8 %
-

NE

8.1 m/s

22:00

Clear

27°

9 %
-

NE

7.8 m/s

23:00

Clear

26°

9 %
-

NE

7.8 m/s

What is the atmospheric pressure in Sao Luis tomorrow?

Pressure adjusted for location elevation. Location elevation: 1 m relative to sea level

Forecast for 28.09.2026 · Local time

Pressure: 1010.6–1013.3 hPa.

Minimum: 1010.6 hPa01:00–04:00Also at other hours

Maximum: 1013.3 hPa07:00–12:00

Largest change over 3 hours: +2.7 hPa · 04:00–07:00
First of 3 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

1011.9 00:00 —
1010.6 01:00 —
1010.6 02:00 —
1010.6 03:00 −1.3
1010.6 04:00 0
1011.9 05:00 +1.3
1011.9 06:00 +1.3
1013.3 07:00 +2.7
1013.3 08:00 +1.3
1013.3 09:00 +1.3
1013.3 10:00 0
1013.3 11:00 0
1013.3 12:00 0
1011.9 13:00 −1.3
1010.6 14:00 −2.7
1010.6 15:00 −2.7
1010.6 16:00 −1.3
1010.6 17:00 0
1010.6 18:00 0
1010.6 19:00 0
1011.9 20:00 +1.3
1011.9 21:00 +1.3
1011.9 22:00 +1.3
1011.9 23:00 0

Colours show pressure relative to this day’s range

Lower · 1010.6 Scale midpoint · 1011.9 Higher · 1013.3 Largest change over 3 hours

What is the chance of precipitation in Sao Luis tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 52%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 11%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 24%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 24%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 23%
04:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 32%
05:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 30%
06:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 21%
07:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 27%
08:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 27%
09:00 Amount of precipitation in millimeters (mm): 0.1 mm Probability of precipitation in percent (%): 22%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 17%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 16%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 15%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%

Sao Luis weather tomorrow: morning, afternoon and evening

Morning: overcast, thunderstorms with rain, +27 °C. Afternoon: overcast, +28 °C. Evening: partly cloudy, +27 °C.

According to the hourly forecast, tomorrow's highest temperature is expected from 10:00 to 11:00, at around +29 °C. Times are local.

Tomorrow's strongest winds are expected at 11:00 (from the northeast). The lightest winds are expected at 20:00 (from the northeast). Times are local.

Temperature and wind for tomorrow

+27° +27° +27° +28° +28° +28° +27° +27° 8.3 m/s 8.3 m/s 8.3 m/s 8.9 m/s 9.2 m/s 8.9 m/s 8.3 m/s 8.1 m/s
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
- Wind direction and speed, m/s
- Temperature, °C

What geomagnetic activity is forecast for Sao Luis tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

00:00 2
03:00 2
06:00 2
09:00 2
12:00 1
15:00 1
18:00 2
21:00 2

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