Half Moon Bay Weather Conditions
Current Temperature Level
Half Moon Bay Weather Conditions
Current Temperature Level
Feels Like 12°C
Chances of Rain45%
13°45%11 PM13°49%12 AM
13°52%1 AM13°55%2 AM13°57%3 AM13°58%4 AM13°59%5 AM
13°34%6 AM14°33%7 AM14°27%8 AM14°25%9 AM15°25%10 AM16°19%11 AM16°15%12 PM
17°11%1 PM17°12%2 PM17°14%3 PM17°15%4 PM16°15%5 PM
16°24%6 PM15°24%7 PM14°30%8 PM14°35%9 PM14°34%Fog may develop and affect travel visibility.
Last Updated: 2026-08-17 22:00 (Local Time)
295°WNW
Direction
11.5km/h
Wind Speed
Gust Speed
3.8m/s
Precipitation
Precipitation
0.09mm
Pressure
1018mb
UV Index
0Low
Today
15
°C
96%Tuesday
15
°C89%Wednesday
15
°C87%Thursday
15
°C87%Friday
15
°C88%Saturday
15
°C86%Sunday
15
°C87%Monday
15
°C87%Tuesday
16
°C82%Wednesday
17
°C80%Fog
Dense fog throughout the day. Humidity will be near 96%, with winds at 16.6 km/h.18°C / 13°C
Humi.96 %
Prec.0.43 mm
Sunrise
06:27 AM13hrs 32min
Sunset
07:59 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Fog
14 °C
99 %
0
5.4 kmph / WNW
Fog
Feels 14 °C
Cover 100 %
Visibility 10 km
1 AM
Fog
13 °C
100 %
0
6.1 kmph / WNW
FogFeels 13 °C
Cover 100 %
Visibility 10 km
2 AM
Fog
13 °C
100 %
0
6.8 kmph / W
FogFeels 13 °C
Cover 100 %
Visibility 10 km
3 AM
Fog
13 °C
100 %
0
7.9 kmph / W
FogFeels 13 °C
Cover 100 %
Visibility 10 km
4 AM
Fog
13 °C
100 %
0
8.3 kmph / W
FogFeels 12 °C
Cover 100 %
Visibility 10 km
5 AM
Fog
13 °C
100 %
0
4.7 kmph / NW
FogFeels 13 °C
Cover 100 %
Visibility 10 km
6 AM
Mist
14 °C
96 %
0
5 kmph / WNW
MistFeels 14 °C
Cover 100 %
Visibility 10 km
7 AM
Mist
14 °C
97 %
0.1
6.1 kmph / W
MistFeels 14 °C
Cover 100 %
Visibility 10 km
8 AM
Mist
14 °C
96 %
0.4
6.1 kmph / WSW
MistFeels 14 °C
Cover 100 %
Visibility 10 km
9 AM
Fog
14 °C
98 %
1.4
10.1 kmph / W
FogFeels 14 °C
Cover 100 %
Visibility 10 km
10 AM
Fog
14 °C
100 %
3
2.2 kmph / WNW
FogFeels 15 °C
Cover 100 %
Visibility 10 km
11 AM
Overcast
17 °C
90 %
5
11.5 kmph / W
OvercastFeels 17 °C
Cover 100 %
Visibility 10 km
12 PM
Overcast
18 °C
87 %
7.4
11.5 kmph / WSW
OvercastFeels 17 °C
Cover 92 %
Visibility 10 km
1 PM
Cloudy
18 °C
85 %
7.8
16.6 kmph / W
CloudyFeels 17 °C
Cover 85 %
Visibility 10 km
2 PM
Overcast
17 °C
89 %
7.5
13 kmph / WSW
OvercastFeels 16 °C
Cover 100 %
Visibility 10 km
3 PM
Overcast
17 °C
89 %
6.6
13.7 kmph / W
OvercastFeels 16 °C
Cover 100 %
Visibility 10 km
4 PM
Overcast
16 °C
89 %
4.8
14.4 kmph / W
OvercastFeels 15 °C
Cover 100 %
Visibility 10 km
5 PM
Overcast
16 °C
93 %
2.5
14.4 kmph / W
OvercastFeels 15 °C
Cover 100 %
Visibility 10 km
6 PM
Mist
15 °C
97 %
1
13.7 kmph / WNW
MistFeels 14 °C
Cover 100 %
Visibility 10 km
7 PM
Fog
15 °C
100 %
0.2
13.7 kmph / WNW
FogFeels 13 °C
Cover 100 %
Visibility 10 km
8 PM
Fog
14 °C
100 %
0
13.3 kmph / WNW
FogFeels 13 °C
Cover 100 %
Visibility 10 km
9 PM
Fog
14 °C
100 %
0
12.6 kmph / WNW
FogFeels 12 °C
Cover 100 %
Visibility 10 km
10 PM
Fog
13 °C
100 %
0
11.5 kmph / WNW
FogFeels 12 °C
Cover 100 %
Visibility 10 km
11 PM
Fog
13 °C
100 %
0
9.7 kmph / WNW
FogFeels 13 °C
Cover 100 %
Visibility 10 km
20°13°
23°12°18°12°19°13°18°13°18°14°16°13°17°14°19°14°18°13°16°14°19°14°18°14°17°15°18°14°18°13°18°13°17°13°18°14°17°14°17°14°17°14°17°14°17°14°20°14°21°14°22°14°21°14°21°14°20°14°20°14°AugustWeather Overview
No. of days:
Sunny
2
Cloudy
2
Rainy
12
Snowy
0
The monthly weather averages in Half Moon Bay consist of 2 sunny days, 2 cloudy days, 12 rainy days, and 0 snowy days.
Half Moon Bay's Locations Weather Conditions
United States's Hottest Cities - August 2026
1.
Park Village, California
40 °C
Overcast
10%
0
12.6 kmph / SSW
2.
Tolleson, Arizona
39 °C
Clear
16%
0
10.8 kmph / WSW
3.
Sun City, Arizona
39 °C
Clear
16%
0
9 kmph / SW
4.
Surprise, Arizona
39 °C
Clear
16%
0
9 kmph / SW
5.
Fountain Hills, Arizona
39 °C
Clear
15%
0
4.7 kmph / W
6.
Fort McDowell, Arizona
39 °C
Clear
15%
0
4.7 kmph / W
7.
Yuma, Arizona
39 °C
Clear
18%
0
10.4 kmph / SSW
8.
Scottsdale, Arizona
39 °C
Clear
16%
0
10.8 kmph / WSW
9.
Chandler, Arizona
38 °C
Clear
16%
0
6.5 kmph / WNW
10.
Buckeye, Arizona
38 °C
Clear
18%
0
6.1 kmph / SSW
Last Updated: 18 Aug 2026, 05:20 AM
City Weather RankingsFAQs About Half Moon Bay Weather Conditions
1. What is the current temperature in Half Moon Bay today - 17 August 2026?
1. What is the current temperature in Half Moon Bay today - 17 August 2026?
The current temperature in Half Moon Bay is 13°C, with a feels-like temperature of 12°C. Today's forecast shows a high of 18°C and a low of 13°C, giving a 5 degree swing through the day as of 10:00 PM 17 August 2026.
2. What are the current weather parameters in Half Moon Bay today?
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 10:00 PM 17 August 2026: Condition : Fog Temperature : 13°C Cool (Feels like 12°C) Humidity : 100% Wind Speed : 11.5 km/h from WNW (295 degrees), Gust 3.8 m/s UV Index : 0 (Low Air Pressure : 1018 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0.09 mm (62% chance of rain)
3. What is the 10-day weather forecast for Half Moon Bay from 10:00 PM 17 August 2026?
3. What is the 10-day weather forecast for Half Moon Bay from 10:00 PM 17 August 2026?
From 10:00 PM 17 August 2026, Half Moon Bay's 10-day forecast shows this trend: Today (Aug. 17) : Temp. 15°C, Hum. 96% and Fog condition. Tuesday (Aug. 18) : Temp. 15°C, Hum. 89% and Patchy rain nearby condition. Wednesday (Aug. 19) : Temp. 15°C, Hum. 87% and Patchy rain nearby condition. Thursday (Aug. 20) : Temp. 15°C, Hum. 87% and Patchy rain nearby condition. Friday (Aug. 21) : Temp. 15°C, Hum. 88% and Overcast condition. Saturday (Aug. 22) : Temp. 15°C, Hum. 86% and Overcast condition. Sunday (Aug. 23) : Temp. 15°C, Hum. 87% and Mist condition. Monday (Aug. 24) : Temp. 15°C, Hum. 87% and Patchy rain nearby condition. Tuesday (Aug. 25) : Temp. 16°C, Hum. 82% and Rain Possible condition. Wednesday (Aug. 26) : Temp. 17°C, Hum. 80% and Rain Possible condition.
4. Will it rain in Half Moon Bay today?
4. Will it rain in Half Moon Bay today?
As of 10:00 PM 17 August 2026, yes — Half Moon Bay is currently experiencing rainfall with 0.09 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.
5. What is the monthly weather forecast for Half Moon Bay in August 2026?
5. What is the monthly weather forecast for Half Moon Bay in August 2026?
August 2026 in Half Moon Bay is forecast to have 2 sunny days, 12 rainy days, 2 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?
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.
