Half Moon Bay Weather Conditions

Current Temperature Level

sunny
17°C
19°C13°C
Cool

Sunny

Feels Like 16°C

Chances of Rain8%

Moderate

54AQI

Humidity

76%

Nowsunny17°8%7 PMsunny16°9%8 PMclear14°14%9 PMclear14°15%10 PMclear14°15%11 PMclear13°14%12 AMclear13°15%1 AMclear13°15%2 AMpatchy rain possible13°25%3 AMpatchy rain possible13°26%4 AMpatchy rain possible13°26%5 AMpatchy rain possible13°29%6 AMpatchy rain possible13°25%7 AMpatchy rain possible13°29%8 AMpatchy rain possible14°23%9 AMpatchy rain possible16°21%10 AMpatchy rain possible17°18%11 AMpatchy rain possible17°19%12 PMpartly cloudy17°9%1 PMsunny18°8%2 PMsunny18°6%3 PMsunny18°7%4 PMsunny17°8%5 PMsunny17°9%
.

It is likely to be sunny; sun protection may help.

Last Updated: 2026-08-16 18:00 (Local Time)

Half Moon Bay Weather Parameters

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Half Moon Bay 10-Days Weather Forecast

See Monthly
Today16 Aug.


Sunny

Sunny

Clear Sky with temperature at 16 °C and humidity will be at 82% with 12.6 km/h winds.


temperature icon

19°C  /  13°C

temperature iconHumi.82 %
temperature iconPrec.0.01 mm


Sunrise icon

Sunrise

06:26 AM

13hrs 35min

Sunset icon

Sunset

08:01 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

Partly CloudyPartly Cloudy

14 °C

90 %

0

10.4 kmph /  NW

Feels Like IconFeels 13 °C

Temperature IconCover 36 %

Visibility IconVisibility 10 km

1 AM

Partly CloudyPartly Cloudy

14 °C

90 %

0

9.7 kmph /  NW

Feels Like IconFeels 13 °C

Temperature IconCover 33 %

Visibility IconVisibility 10 km

2 AM

Partly CloudyPartly Cloudy

14 °C

91 %

0

7.6 kmph /  NW

Feels Like IconFeels 13 °C

Temperature IconCover 34 %

Visibility IconVisibility 10 km

3 AM

Partly CloudyPartly Cloudy

14 °C

91 %

0

7.9 kmph /  WNW

Feels Like IconFeels 13 °C

Temperature IconCover 34 %

Visibility IconVisibility 10 km

4 AM

Partly CloudyPartly Cloudy

13 °C

91 %

0

6.5 kmph /  WNW

Feels Like IconFeels 13 °C

Temperature IconCover 37 %

Visibility IconVisibility 10 km

5 AM

Partly CloudyPartly Cloudy

13 °C

91 %

0

6.1 kmph /  WNW

Feels Like IconFeels 13 °C

Temperature IconCover 31 %

Visibility IconVisibility 10 km

6 AM

Partly CloudyPartly Cloudy

13 °C

91 %

0

5.8 kmph /  WNW

Feels Like IconFeels 12 °C

Temperature IconCover 26 %

Visibility IconVisibility 10 km

7 AM

Partly CloudyPartly Cloudy

13 °C

91 %

0.1

6.1 kmph /  W

Feels Like IconFeels 13 °C

Temperature IconCover 26 %

Visibility IconVisibility 10 km

8 AM

SunnySunny

15 °C

85 %

0.6

4.3 kmph /  W

Feels Like IconFeels 14 °C

Temperature IconCover 21 %

Visibility IconVisibility 10 km

9 AM

SunnySunny

16 °C

78 %

1.7

3.6 kmph /  WSW

Feels Like IconFeels 16 °C

Temperature IconCover 4 %

Visibility IconVisibility 10 km

10 AM

SunnySunny

17 °C

73 %

3.5

7.6 kmph /  WSW

Feels Like IconFeels 17 °C

Temperature IconCover 7 %

Visibility IconVisibility 10 km

11 AM

Partly CloudyPartly Cloudy

18 °C

71 %

5.6

7.6 kmph /  WSW

Feels Like IconFeels 17 °C

Temperature IconCover 61 %

Visibility IconVisibility 10 km

12 PM

Patchy rain nearbyPatchy rain nearby

19 °C

71 %

7.9

11.2 kmph /  WSW

Feels Like IconFeels 17 °C

Temperature IconCover 72 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

19 °C

71 %

8.3

10.8 kmph /  W

Feels Like IconFeels 18 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

2 PM

Partly CloudyPartly Cloudy

19 °C

70 %

7.7

12.6 kmph /  W

Feels Like IconFeels 18 °C

Temperature IconCover 32 %

Visibility IconVisibility 10 km

3 PM

SunnySunny

19 °C

70 %

6.4

11.5 kmph /  W

Feels Like IconFeels 18 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

19 °C

71 %

4.6

11.9 kmph /  W

Feels Like IconFeels 17 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

18 °C

72 %

2.5

11.5 kmph /  W

Feels Like IconFeels 17 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

6 PM

SunnySunny

17 °C

76 %

0.9

11.2 kmph /  W

Feels Like IconFeels 16 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

7 PM

SunnySunny

16 °C

80 %

0.2

9.7 kmph /  W

Feels Like IconFeels 15 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

8 PM

ClearClear

14 °C

89 %

0

10.4 kmph /  W

Feels Like IconFeels 13 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

9 PM

ClearClear

14 °C

91 %

0

8.6 kmph /  WNW

Feels Like IconFeels 13 °C

Temperature IconCover 20 %

Visibility IconVisibility 10 km

10 PM

ClearClear

14 °C

90 %

0

6.5 kmph /  WNW

Feels Like IconFeels 13 °C

Temperature IconCover 15 %

Visibility IconVisibility 10 km

11 PM

ClearClear

13 °C

90 %

0

6.1 kmph /  W

Feels Like IconFeels 13 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

Temp17 °C


ConditionSunny


Humidity76 %

Feels16 °C


Cover0 %


Visibility10 km

Wind Speed & Dir.11.2 kmph /  W


UV0.9

Half Moon Bay 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog20°13°
2
Sunny23°12°
3
Fog18°12°
4
Fog19°13°
5
Fog18°13°
6
Overcast18°14°
7
Fog16°13°
8
Fog17°14°
9
Fog19°14°
10
Fog18°13°
11
Fog16°14°
12
Overcast19°14°
13
Patchy rain nearby18°14°
14
Fog17°15°
15
Sunny18°14°
16Today
Sunny19°13°
17
Patchy rain nearby18°13°
18
Sunny20°14°
19
Sunny19°13°
20
Patchy rain nearby18°14°
21
Patchy rain nearby18°14°
22
Sunny19°14°
23
Patchy rain nearby19°13°
24
Rain Possible21°14°
25
Rain Possible20°14°
26
Rain Possible21°14°
27
Rain Possible22°14°
28
Rain Possible21°14°
29
Rain Possible21°14°
30
Rain Possible20°14°
31
Rain Possible20°14°

AugustWeather Overview

No. of days:

Sunny

Sunny

6

Cloudy

Cloudy

0

Rainy

Rainy

13

Snowy

Snowy

0


The monthly weather averages in Half Moon Bay consist of 6 sunny days, 0 cloudy days, 13 rainy days, and 0 snowy days.

Half Moon Bay's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
17 °C
sunnySunny
76%
0.9

11.2 kmph /  W

United States's Hottest Cities - August 2026

Hottest
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Last Updated: 17 Aug 2026, 01:07 AM

City Weather Rankings

FAQs About Half Moon Bay Weather Conditions


1. What is the current temperature in Half Moon Bay today - 16 August 2026?

The current temperature in Half Moon Bay is 17°C, with a feels-like temperature of 16°C. Today's forecast shows a high of 19°C and a low of 13°C, giving a 6 degree swing through the day as of 06:00 PM 16 August 2026.

2. What are the current weather parameters in Half Moon Bay today?

Here is a complete overview of Half Moon Bay's current weather conditions as of 06:00 PM 16 August 2026: Condition : Sunny Temperature : 17°C Cool (Feels like 16°C) Humidity : 76% Wind Speed : 11.2 km/h from W (267 degrees), Gust 4 m/s UV Index : 0.9 (Low Air Pressure : 1018 mb Cloud Cover : 0% Visibility : 10 km Precipitation : 0 mm (12% chance of rain)

3. What is the 10-day weather forecast for Half Moon Bay from 06:00 PM 16 August 2026?

From 06:00 PM 16 August 2026, Half Moon Bay's 10-day forecast shows this trend: Today (Aug. 16) : Temp. 16°C, Hum. 82% and Sunny condition. Monday (Aug. 17) : Temp. 15°C, Hum. 84% and Patchy rain nearby condition. Tuesday (Aug. 18) : Temp. 16°C, Hum. 82% and Sunny condition. Wednesday (Aug. 19) : Temp. 16°C, Hum. 83% and Sunny condition. Thursday (Aug. 20) : Temp. 16°C, Hum. 84% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 16°C, Hum. 85% and Patchy rain nearby condition. Saturday (Aug. 22) : Temp. 16°C, Hum. 82% and Sunny condition. Sunday (Aug. 23) : Temp. 16°C, Hum. 83% and Patchy rain nearby condition. Monday (Aug. 24) : Temp. 17°C, Hum. 83% and Rain Possible condition. Tuesday (Aug. 25) : Temp. 16°C, Hum. 82% and Rain Possible condition.

4. Will it rain in Half Moon Bay today?

As of 06:00 PM 16 August 2026, there is a 8% chance of rainfall in Half Moon Bay later today around 2026-08-16 18:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Half Moon Bay in August 2026?

August 2026 in Half Moon Bay is forecast to have 6 sunny days, 13 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 12°C to highs of 23°C.

6. How does the weather in Half Moon Bay affect air quality?

Weather directly impacts air quality in Half Moon Bay. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.