The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Castelldefels Weather Today · 7-Day Forecast

Grey Sky Settles Over the Town

Cloud lies thick and low. The light is dim and the air is still.

Warmest Wednesday at 22° · coldest night tonight at 15°

The short of it: Castelldefels weather on Sunday, 8 November 2026: local time, 18 °C (65 °F) with an overcast sky, feeling like 19 °C (66 °F). Today’s high 19 °C (67 °F), low 15 °C (59 °F). Chance of rain 45% in the next 24 hours, about 0.6 mm (0.02 in). No warnings in force. Source: Wanted Weather forecast service (global weather models), updated 22:30 local time.

CASTELLDEFELS, Sunday. — An overcast sky is the word from the Castelldefels station, with a high of 19° and a low of 15°. That is some 2° milder than a typical November afternoon in Castelldefels, where the average high is 17°. Winds are light from the WSW, gusting to 11 km/h, and the glass is falling — a change is coming.

Of the 7 days ahead, Wednesday looks the finest at near 22°, while tonight will be the coldest at 15°. Rain or snow is due on 1 of them, some 32 mm in all. Nights run 6° milder than the November norm of 9°.

For travellers weighing a journey, the Almanac shows a typical November in Castelldefels brings highs near 17°, lows of 9° and about 60 mm of rain over the month. August is the warmest month here at 29°, January the coldest at 5°, and October the wettest with 89 mm. The best months to ride in are June and April.

The sun is up 10 h 8 min today, and the days are shortening by about 2 minutes each. The station stands 0 m above the sea.

The Hours to Come

Temperature by the hour · rain & snow in the hour beneath
The hour-by-hour ledger
HourSkyTempFeelsWindRain
NowOvercast19°19°6 km/h–
11 PMOvercast18°19°6 km/h0.2 mm
12 AMOvercast18°19°5 km/h0.1 mm
1 AMOvercast18°19°5 km/h–
2 AMOvercast18°20°3 km/h–
3 AMOvercast18°19°3 km/h–
4 AMOvercast18°19°4 km/h–
5 AMOvercast18°19°4 km/h–
6 AMOvercast18°19°3 km/h–
7 AMOvercast17°19°4 km/h–
8 AMOvercast17°18°4 km/h–
9 AMOvercast18°19°4 km/h–
10 AMOvercast18°19°4 km/h–
11 AMOvercast19°20°3 km/h–
12 PMOvercast19°21°2 km/h–
1 PMOvercast19°21°3 km/h–
2 PMOvercast19°21°3 km/h–
3 PMOvercast20°21°5 km/h–
4 PMLight rain20°21°4 km/h0.3 mm
5 PMOvercast19°21°4 km/h–
6 PMOvercast19°21°4 km/h–
7 PMPartly cloudy19°20°5 km/h–
8 PMPartly cloudy19°21°5 km/h–
9 PMOvercast19°20°6 km/h–

Seven-Day Outlook · Classified

Highs in large type · pick a day

Today (Nov 8): overcast, high 19°, low 15°, 0.4 mm of rain, gusts to 13 km/h. Sun up 7:31 AM, down 5:39 PM. Cloud lies thick and low. The light is dim and the air is still.

The Week in Figures

DayLow · HighRainGustsDaylight
Today15°19°0.4 mm13 km/h10 h 8 min
Monday17°20°0.4 mm11 km/h10 h 6 min
Tuesday18°22°dry21 km/h10 h 4 min
Wednesday19°22°0.1 mm20 km/h10 h 1 min
Thursday17°20°31 mm37 km/h9 h 59 min
Friday17°22°dry38 km/h9 h 57 min
Saturday15°19°dry30 km/h9 h 55 min

Warmest: Wednesday at 22°. Wettest: Thursday, 31 mm. Strongest gusts: Friday, 38 km/h.

The Almanac · Castelldefels Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low

November in Castelldefels, by the numbers

Warmth rank
8th warmest of 12
Rain rank
3rd wettest of 12
Versus October
5° colder, 29 mm less rain
Versus December
3° warmer
Day–night spread
8°
Snow season
seldom any
Daylight, mid-month
9 h 48 min
Average wind
11 km/h
Recommended
The Almanac Speaks
November
✦✦✦✦✦

The year turns hard here: highs drop 5° from October to about 17°, with nights near 9°. Wet spells are common — about 60 mm, the 3rd wettest month.

Castelldefels in November: the full almanac →

Climate of Castelldefels by month
MonthHighLowRainWindDaylightVisit
January14°5°42 mm11 km/h9 h 30 min✦✦✦✦
February14°6°34 mm12 km/h10 h 34 min✦✦✦✦
March16°7°36 mm13 km/h11 h 49 min✦✦✦✦✦
April18°9°44 mm13 km/h13 h 16 min✦✦✦✦✦
May21°13°46 mm13 km/h14 h 29 min✦✦✦✦
June25°17°29 mm12 km/h15 h 8 min✦✦✦✦✦
July28°19°17 mm13 km/h14 h 52 min✦✦✦✦✦
August29°20°49 mm12 km/h13 h 49 min✦✦✦✦
September26°17°74 mm11 km/h12 h 24 min✦✦✦
October22°14°89 mm11 km/h11 h 1 min✦✦✦
November17°9°60 mm11 km/h9 h 48 min✦✦✦✦
December14°6°45 mm11 km/h9 h 12 min✦✦✦✦

Reports from the Street

What readers in Castelldefels see right now · last 3 hours

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Questions Readers Ask about Castelldefels

Answered from the wire & the Almanac

What is the weather in Castelldefels today?

Right now it is 18 °C (65 °F) with an overcast sky; it feels like 19 °C (66 °F). Today’s high is 19 °C (67 °F) and tonight’s low 15 °C (59 °F). The chance of rain in the next 24 hours is about 45%, with 0.6 mm (0.02 in) expected.

Will it rain in Castelldefels this week?

Yes — rain or snow is forecast on 1 of the next 7 days, about 32 mm (1.2 in) in total. The wettest day looks to be Thursday.

Are there any weather warnings for Castelldefels?

No — no warnings or notices are in force for Castelldefels at present.

What is the warmest month in Castelldefels?

August, with an average high of 29 °C (83 °F). The coldest is January, when nights average 5 °C (41 °F). The wettest month is October, with 89 mm (3.5 in), according to TerraClimate climate normals for 1991–2020.

When is the best time to visit Castelldefels?

June and April. June brings highs near 25 °C (77 °F) and about 29 mm (1.1 in) of rain; April highs near 18 °C (65 °F) and 44 mm (1.7 in). The Almanac rates every month from 1 to 5 for warmth, dryness and rainfall, using 1991–2020 climate normals.

Does it snow in Castelldefels?

Hardly ever — even the coldest month averages 5 °C (41 °F) at night, so lasting snow is rare.

Neighbouring Towns

November averages · distance by the crow’s flight
TownDistanceHighLowRain
GavàCatalonia4 km NE17°9°61 mm
ViladecansCatalonia5 km NE17°9°61 mm
Sant Boi de LlobregatCatalonia9 km NE17°8°60 mm
El Prat de LlobregatCatalonia12 km ENE18°9°61 mm
Cornellà de LlobregatCatalonia12 km NE18°9°60 mm
Sant Feliu de LlobregatCatalonia13 km NNE17°8°60 mm
L'Hospitalet de LlobregatCatalonia14 km NE18°9°60 mm
Esplugues de LlobregatCatalonia15 km NE17°8°61 mm

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor