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Weather for tomorrow

Half Moon Bay (airport)

United States , California
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Weather tomorrow: Half Moon Bay (airport)

Forecast for tomorrow, 28 September: overcast. The daily air temperature range is 13 to 19 °C. Chance of precipitation tomorrow according to the daily forecast: 14%. Forecast precipitation amount: 0 mm. Wind from the northwest at 6.1 m/s.

monday 28 september

Overcast

Overcast, Precipitation probability 14%, Sunrise 07:03, Sunset 18:57, 28.09.2026

+19°

+13°

Sunset 18:57

G/m activity 2

Precipitation probability 14%

Precipitation 0.0 mm

Wind 6.1 m/s

Pressure 1011.9 hPa

Index UV 6

Humidity 78%

Sunrise 07:03

Moon Waning Gibbous

Sunrise 07:03

Sunset 18:57

G/m activity 2

Moon Waning Gibbous

Partly cloudy
night
+14°
Overcast and showers
morning
+13°
Clear
day
+18°
Partly cloudy
evening
+14°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Partly cloudy

14°

15 %
-

NW

5.6 m/s

01:00

Overcast and showers

14°

23 %
-

NW

6.1 m/s

02:00

Overcast and showers

14°

25 %
-

NW

6.4 m/s

03:00

Cloudy

14°

21 %
-

NW

5.8 m/s

04:00

Overcast and showers

14°

19 %
-

NW

5 m/s

05:00

Overcast and showers

14°

21 %
-

NW

4.2 m/s

06:00

Overcast and showers

13°

21 %
-

W

3.3 m/s

07:00

Cloudy

13°

20 %
-

W

1.7 m/s

08:00

Partly cloudy

14°

12 %
-

SW

0.8 m/s

09:00

Clear

14°

8 %
-

S

1.4 m/s

10:00

Clear

16°

6 %
-

S

0.3 m/s

11:00

Clear

17°

4 %
-

NW

0.6 m/s

12:00

Clear

18°

3 %
-

NW

2.2 m/s

13:00

Clear

19°

3 %
-

NW

3.9 m/s

14:00

Clear

18°

4 %
-

W

5 m/s

15:00

Clear

17°

4 %
-

NW

5.3 m/s

16:00

Partly cloudy

17°

5 %
-

NW

5.3 m/s

17:00

Partly cloudy

15°

9 %
-

NW

5.8 m/s

18:00

Partly cloudy

14°

10 %
-

NW

5.3 m/s

19:00

Clear

14°

12 %
-

NW

5.3 m/s

20:00

Cloudy

13°

13 %
-

NW

4.7 m/s

21:00

Clear

13°

12 %
-

NW

4.2 m/s

22:00

Clear

13°

12 %
-

NW

3.3 m/s

23:00

Clear

13°

12 %
-

NW

2.2 m/s

What is the atmospheric pressure in Half Moon Bay (airport) tomorrow?

Pressure adjusted for location elevation. Location elevation: 10 m relative to sea level

Forecast for 28.09.2026 · Local time

Pressure: 1010.6–1013.3 hPa.

Minimum: 1010.6 hPa16:00–23:00

Maximum: 1013.3 hPa11:00

Largest change over 3 hours: +1.3 hPa · 08:00–11:00
First of 5 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

1011.9 00:00 —
1011.9 01:00 —
1011.9 02:00 —
1011.9 03:00 0
1011.9 04:00 0
1011.9 05:00 0
1011.9 06:00 0
1011.9 07:00 0
1011.9 08:00 0
1011.9 09:00 0
1011.9 10:00 0
1013.3 11:00 +1.3
1011.9 12:00 0
1011.9 13:00 0
1011.9 14:00 −1.3
1011.9 15:00 0
1010.6 16:00 −1.3
1010.6 17:00 −1.3
1010.6 18:00 −1.3
1010.6 19:00 0
1010.6 20:00 0
1010.6 21:00 0
1010.6 22:00 0
1010.6 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 Half Moon Bay (airport) tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 14%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 15%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 23%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 25%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 21%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 21%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 21%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 8%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 6%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 3%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 5%
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 (%): 10%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 13%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%

Half Moon Bay (airport) weather tomorrow: morning, afternoon and evening

Morning: overcast and showers, +13 °C. Afternoon: clear, +18 °C. Evening: partly cloudy, +14 °C.

According to the hourly forecast, tomorrow's highest temperature is expected at 13:00, at around +19 °C. Times are local.

Tomorrow's strongest winds are expected at 02:00 (from the northwest). The lightest winds are expected at 10:00 (from the south). Times are local.

Temperature and wind for tomorrow

+14° +14° +13° +14° +18° +17° +14° +13° 5.6 m/s 5.8 m/s 3.3 m/s 1.4 m/s 2.2 m/s 5.3 m/s 5.3 m/s 4.2 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 Half Moon Bay (airport) tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

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

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