Weather tomorrow: Waterloo

Forecast for tomorrow, 28 September: overcast. The daily air temperature range is 16 to 28 °C. Chance of precipitation tomorrow according to the daily forecast: 5%. Forecast precipitation amount: 0 mm. Wind from the east at 2.8 m/s.

monday 28 september

Overcast

Overcast, Precipitation probability 5%, Sunrise 06:54, Sunset 18:48, 28.09.2026

+28°

+16°

Sunset 18:48

G/m activity 2

Precipitation probability 5%

Precipitation 0.0 mm

Wind 2.8 m/s

Pressure 991.9 hPa

Index UV 6

Humidity 41%

Sunrise 06:54

Moon Waning Gibbous

Sunrise 06:54

Sunset 18:48

G/m activity 2

Moon Waning Gibbous

Partly cloudy
night
+18°
Partly cloudy
morning
+15°
Partly cloudy
day
+25°
Overcast
evening
+26°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Partly cloudy

18°

3 %
-

NE

2.2 m/s

01:00

Partly cloudy

18°

3 %
-

E

1.9 m/s

02:00

Partly cloudy

17°

3 %
-

E

1.7 m/s

03:00

Partly cloudy

17°

3 %
-

E

1.7 m/s

04:00

Partly cloudy

17°

3 %
-

E

1.9 m/s

05:00

Partly cloudy

16°

3 %
-

E

1.7 m/s

06:00

Partly cloudy

15°

3 %
-

E

1.9 m/s

07:00

Partly cloudy

15°

4 %
-

E

2.2 m/s

08:00

Partly cloudy

16°

3 %
-

E

1.9 m/s

09:00

Partly cloudy

18°

2 %
-

E

2.5 m/s

10:00

Partly cloudy

21°

1 %
-

E

2.5 m/s

11:00

Partly cloudy

23°

1 %
-

E

3.1 m/s

12:00

Partly cloudy

25°

1 %
-

E

2.5 m/s

13:00

Partly cloudy

27°

1 %
-

E

1.9 m/s

14:00

Partly cloudy

28°

1 %
-

E

1.7 m/s

15:00

Cloudy

29°

7 %
-

E

1.7 m/s

16:00

Overcast

28°

9 %
-

E

2.2 m/s

17:00

Overcast

28°

9 %
-

E

2.5 m/s

18:00

Overcast

26°

9 %
-

E

2.2 m/s

19:00

Overcast

24°

9 %
-

E

2.8 m/s

20:00

Overcast

23°

9 %
-

E

2.5 m/s

21:00

Cloudy

21°

8 %
-

E

2.2 m/s

22:00

Cloudy

20°

1 %
-

E

2.2 m/s

23:00

Cloudy

19°

8 %
-

SE

2.5 m/s

What is the atmospheric pressure in Waterloo tomorrow?

Pressure adjusted for location elevation. Location elevation: 217 m relative to sea level

Forecast for 28.09.2026 · Local time

Pressure: 989.3–993.3 hPa.

Minimum: 989.3 hPa16:00–23:00

Maximum: 993.3 hPa10:00–11:00

Largest change over 3 hours: −2.7 hPa · 11:00–14:00
First of 2 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

990.6 00:00 —
990.6 01:00 —
990.6 02:00 —
991.9 03:00 +1.3
991.9 04:00 +1.3
990.6 05:00 0
990.6 06:00 −1.3
991.9 07:00 0
991.9 08:00 +1.3
991.9 09:00 +1.3
993.3 10:00 +1.3
993.3 11:00 +1.3
991.9 12:00 0
991.9 13:00 −1.3
990.6 14:00 −2.7
990.6 15:00 −1.3
989.3 16:00 −2.7
989.3 17:00 −1.3
989.3 18:00 −1.3
989.3 19:00 0
989.3 20:00 0
989.3 21:00 0
989.3 22:00 0
989.3 23:00 0

Colours show pressure relative to this day’s range

Lower · 989.3 Scale midpoint · 991.3 Higher · 993.3 Largest change over 3 hours

What is the chance of precipitation in Waterloo tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 5%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 2%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 7%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
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 (%): 9%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
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 (%): 1%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%

Waterloo weather tomorrow: morning, afternoon and evening

Morning: partly cloudy, +15 °C. Afternoon: partly cloudy, +25 °C. Evening: overcast, +26 °C.

According to the hourly forecast, tomorrow's highest temperature is expected at 15:00, at around +29 °C. Times are local.

Tomorrow's strongest winds are expected at 11:00 (from the east). The lightest winds are expected from 02:00 to 03:00 (from the east); at 05:00 (from the east); from 14:00 to 15:00 (from the east). Times are local.

Temperature and wind for tomorrow

+18° +17° +15° +18° +25° +29° +26° +21° 2.2 m/s 1.7 m/s 1.9 m/s 2.5 m/s 2.5 m/s 1.7 m/s 2.2 m/s 2.2 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 Waterloo 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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