Weather tomorrow: Santa Rosa

Forecast for tomorrow, 29 September: overcast. The daily air temperature range is 15 to 33 °C. Chance of precipitation tomorrow according to the daily forecast: 2%. Forecast precipitation amount: 0 mm. Wind from the west at 4.2 m/s.

tuesday 29 september

Overcast

Overcast, Precipitation probability 2%, Sunrise 07:05, Sunset 18:56, 29.09.2026

+33°

+15°

Sunset 18:56

G/m activity 2

Precipitation probability 2%

Precipitation 0.0 mm

Wind 4.2 m/s

Pressure 1001.3 hPa

Index UV 6

Humidity 35%

Sunrise 07:05

Moon Waning Gibbous

Sunrise 07:05

Sunset 18:56

G/m activity 2

Moon Waning Gibbous

Overcast
night
+16°
Partly cloudy
morning
+15°
Clear
day
+30°
Clear
evening
+28°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Overcast

16°

12 %
-

NW

0.8 m/s

01:00

Partly cloudy

16°

2 %
-

NW

0.8 m/s

02:00

Cloudy

16°

3 %
-

N

0.8 m/s

03:00

Partly cloudy

16°

5 %
-

NW

1.1 m/s

04:00

Partly cloudy

16°

3 %
-

NW

1.1 m/s

05:00

Partly cloudy

15°

2 %
-

N

0.8 m/s

06:00

Partly cloudy

15°

2 %
-

N

1.1 m/s

07:00

Partly cloudy

15°

2 %
-

N

1.1 m/s

08:00

Clear

17°

1 %
-

N

0.8 m/s

09:00

Clear

21°

1 %
-

NW

0.6 m/s

10:00

Clear

25°

0 %
-

W

0.8 m/s

11:00

Clear

28°

0 %
-

SW

1.1 m/s

12:00

Clear

30°

0 %
-

SW

1.7 m/s

13:00

Clear

32°

0 %
-

SW

2.5 m/s

14:00

Clear

32°

0 %
-

SW

3.6 m/s

15:00

Clear

31°

0 %
-

SW

4.2 m/s

16:00

Clear

30°

0 %
-

S

3.3 m/s

17:00

Clear

30°

0 %
-

S

2.8 m/s

18:00

Clear

28°

0 %
-

S

2.2 m/s

19:00

Clear

24°

1 %
-

S

1.7 m/s

20:00

Clear

21°

1 %
-

W

0.6 m/s

21:00

Clear

20°

1 %
-

NW

1.1 m/s

22:00

Clear

20°

1 %
-

NW

1.1 m/s

23:00

Clear

19°

1 %
-

NW

0.8 m/s

What is the atmospheric pressure in Santa Rosa tomorrow?

Pressure adjusted for location elevation. Location elevation: 55 m relative to sea level

Forecast for 29.09.2026 · Local time

Pressure: 998.6–1002.6 hPa.

Minimum: 998.6 hPa17:00–18:00

Maximum: 1002.6 hPa00:00–12:00

Largest change over 3 hours: −2.7 hPa · 12:00–15:00
First of 2 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

1002.6 00:00 —
1002.6 01:00 —
1002.6 02:00 —
1002.6 03:00 0
1002.6 04:00 0
1002.6 05:00 0
1002.6 06:00 0
1002.6 07:00 0
1002.6 08:00 0
1002.6 09:00 0
1002.6 10:00 0
1002.6 11:00 0
1002.6 12:00 0
1001.3 13:00 −1.3
1001.3 14:00 −1.3
999.9 15:00 −2.7
999.9 16:00 −1.3
998.6 17:00 −2.7
998.6 18:00 −1.3
999.9 19:00 0
999.9 20:00 +1.3
999.9 21:00 +1.3
999.9 22:00 0
999.9 23:00 0

Colours show pressure relative to this day’s range

Lower · 998.6 Scale midpoint · 1000.6 Higher · 1002.6 Largest change over 3 hours

What is the chance of precipitation in Santa Rosa tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 2%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 2%
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 (%): 5%
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 (%): 2%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 2%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 2%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 0%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 1%
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 (%): 1%

Santa Rosa weather tomorrow: morning, afternoon and evening

Morning: partly cloudy, +15 °C. Afternoon: clear, +30 °C. Evening: clear, +28 °C.

According to the hourly forecast, tomorrow will be hottest from 13:00 to 14:00, at around +32 °C. Times are local.

Tomorrow's strongest winds are expected at 15:00 (from the southwest). The lightest winds are expected at 09:00 (from the northwest); at 20:00 (from the west). Times are local.

Temperature and wind for tomorrow

+16° +16° +15° +21° +30° +31° +28° +20° 0.8 m/s 1.1 m/s 1.1 m/s 0.6 m/s 1.7 m/s 4.2 m/s 2.2 m/s 1.1 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 Santa Rosa tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

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

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