Every city on the map carries real forecast data from the same models as its city page, refreshed several times a day. The icon is the day's overall look; the number is the afternoon high.
Next 14 days at a glance
from the model forecast
Hottest day
33°
Fri, Oct 16
Coldest night
18°
Wed, Oct 21
Days with precip
1 / 14
of 14 forecast days
Nicest day
Thu, Oct 22
mild, dry, light wind
The next 4 weekends
plan ahead
Sat 17 – Sun 18 Oct
30° 24°
3% precip chance
Sat 24 – Sun 25 Oct
27° 20°
5% precip chance
31 Oct – 1 Nov
27° 16°
typical range
Sat 7 – Sun 8 Nov
23° 17°
typical range
30 days — Costa Mesa
14 forecast + 16 climatology
Thu · Today Sunny
30°22°0%⌄
Wind9 mph W
Gusts15 mph
UV index6 – High
Precip chance0%
Sunrise06:56
Sunset18:18
Fri · Tomorrow Sunny
33°25°1%⌄
Wind26 mph NE
Gusts41 mph
UV index6 – Moderate
Precip chance1%
Sunrise06:57
Sunset18:17
Saturday 17/10 Sunny
30°26°3%⌄
Wind10 mph SW
Gusts21 mph
UV index6 – Moderate
Precip chance3%
Sunrise06:58
Sunset18:15
Sunday 18/10 Sunny
28°24°1%⌄
Wind11 mph SW
Gusts21 mph
UV index6 – High
Precip chance1%
Sunrise06:58
Sunset18:14
Monday 19/10 Sunny
25°22°3%⌄
Wind9 mph SW
Gusts20 mph
UV index6 – Moderate
Precip chance3%
Sunrise06:59
Sunset18:13
Tuesday 20/10 Sunny
21°19°9%⌄
Wind11 mph SW
Gusts21 mph
UV index6 – High
Precip chance9%
Sunrise07:00
Sunset18:12
Wednesday 21/10 Showers
21°18°13.9 mm⌄
Wind11 mph S
Gusts15 mph
UV index5 – Moderate
Precip chance77%
Sunrise07:01
Sunset18:11
Thursday 22/10 Sunny
22°19°4%⌄
Wind11 mph SW
Gusts21 mph
UV index6 – High
Precip chance4%
Sunrise07:02
Sunset18:10
Friday 23/10 Sunny
23°19°2%⌄
Wind9 mph SW
Gusts18 mph
UV index6 – High
Precip chance2%
Sunrise07:02
Sunset18:08
Saturday 24/10 Mostly cloudy
27°20°5%⌄
Wind9 mph W
Gusts9 mph
UV index6 – High
Precip chance5%
Sunrise07:03
Sunset18:07
Sunday 25/10 Sunny
27°21°1%⌄
Wind19 mph NE
Gusts32 mph
UV index7 – High
Precip chance1%
Sunrise07:04
Sunset18:06
Monday 26/10 Sunny
24°20°1%⌄
Wind18 mph NE
Gusts30 mph
UV index6 – High
Precip chance1%
Sunrise07:05
Sunset18:05
Tuesday 27/10 Sunny
25°20°1%⌄
Wind11 mph SW
Gusts22 mph
UV index7 – High
Precip chance1%
Sunrise07:06
Sunset18:04
Wednesday 28/10 Sunny
24°20°1%⌄
Wind7 mph SW
Gusts19 mph
UV index6 – High
Precip chance1%
Sunrise07:07
Sunset18:03
Thursday 29/10 Rain (climatological)
27°22°2.4 mm⌄
Day≈24–30°
Night≈19–25°
Precip≈1.2 in / October
(climatological)Typical range for these dates · 1991–2020
Friday 30/10 Partly cloudy (climatological)
29°23°20%⌄
Day≈26–32°
Night≈20–26°
Precip≈1.2 in / October
(climatological)Typical range for these dates · 1991–2020
Saturday 31/10 Partly cloudy (climatological)
27°22°20%⌄
Day≈24–30°
Night≈19–25°
Precip≈1.2 in / October
(climatological)Typical range for these dates · 1991–2020
Sunday 1/11 Rain (climatological)
20°16°4.0 mm⌄
Day≈17–23°
Night≈13–19°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Monday 2/11 Partly cloudy (climatological)
19°15°20%⌄
Day≈16–22°
Night≈12–18°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Tuesday 3/11 Partly cloudy (climatological)
17°14°20%⌄
Day≈14–20°
Night≈11–17°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Wednesday 4/11 Light rain (climatological)
18°15°1.7 mm⌄
Day≈15–21°
Night≈12–18°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Thursday 5/11 Partly cloudy (climatological)
19°15°20%⌄
Day≈16–22°
Night≈12–18°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Friday 6/11 Partly cloudy (climatological)
21°16°20%⌄
Day≈18–24°
Night≈13–19°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Saturday 7/11 Light rain (climatological)
23°18°1.5 mm⌄
Day≈20–26°
Night≈15–21°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Sunday 8/11 Partly cloudy (climatological)
23°17°20%⌄
Day≈20–26°
Night≈14–20°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Monday 9/11 Partly cloudy (climatological)
19°15°20%⌄
Day≈16–22°
Night≈12–18°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Tuesday 10/11 Light rain (climatological)
19°15°1.5 mm⌄
Day≈16–22°
Night≈12–18°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Wednesday 11/11 Partly cloudy (climatological)
17°14°20%⌄
Day≈14–20°
Night≈11–17°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Thursday 12/11 Partly cloudy (climatological)
19°15°20%⌄
Day≈16–22°
Night≈12–18°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
Friday 13/11 Light rain (climatological)
23°18°2.0 mm⌄
Day≈20–26°
Night≈15–21°
Precip≈1.2 in / November
(climatological)Typical range for these dates · 1991–2020
The month ahead · Costa Mesa
Days 1-14 blend the NBM, ECMWF and GFS runs; the rest is the 30-year climate range for these dates.