30-day outlook · Cardiff
14-day forecast →Sep 1717°11°61%
1816°9°First quarter
1918°14°73%
2018°10°19%
2123°11°10%
2223°14°8%
2323°13°15%
2423°13°12%
2522°11°5%
2621°9°Full moon
2720°8°4%
2819°10°4%
2920°8°3%
3020°9°6%
Oct 1Normal15°6°
2Normal15°6°
3Normal15°5°Last quarter
4Normal14°5°
5Normal14°5°
6Normal14°4°
7Normal13°4°
8Normal13°4°
9Normal13°3°
10Normal12°3°New moon
11Normal12°3°
12Normal12°2°
13Normal11°2°
14Normal11°2°
15Normal11°2°
16Normal10°1°
TodayForecast, days 1–14Normal for the date
Days 1–14 at a glance
Today →| Day | Weather | High | Low | Precip | Source |
|---|---|---|---|---|---|
| Today Sep 17 | Showers | 17° | 11° | 61% · 2 mm | Outlook |
| Fri Sep 18 | Mostly cloudy | 16° | 9° | 33% · 0.1 mm | Outlook |
| Sat Sep 19 | Showers | 18° | 14° | 73% · 1 mm | Outlook |
| Sun Sep 20 | Mostly cloudy | 18° | 10° | 19% · 0 mm | Outlook |
| Mon Sep 21 | Sunny | 23° | 11° | 10% · 0 mm | Outlook |
| Tue Sep 22 | Sunny | 23° | 14° | 8% · 0 mm | Outlook |
| Wed Sep 23 | Partly cloudy | 23° | 13° | 15% · 0 mm | Outlook |
| Thu Sep 24 | Sunny | 23° | 13° | 12% · 0 mm | Outlook |
| Fri Sep 25 | Sunny | 22° | 11° | 5% · 0 mm | Outlook |
| Sat Sep 26 | Sunny | 21° | 9° | 4% · 0 mm | Outlook |
| Sun Sep 27 | Sunny | 20° | 8° | 4% · 0 mm | Outlook |
| Mon Sep 28 | Sunny | 19° | 10° | 4% · 0 mm | Outlook |
| Tue Sep 29 | Sunny | 20° | 8° | 3% · 0 mm | Outlook |
| Wed Sep 30 | Sunny | 20° | 9° | 6% · 0 mm | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Cardiff on those dates: how highs and lows usually change, how much rain or snow to expect, daylight and the Moon.
| Dates | Normal high | Normal low | Precip | Daylight | Moon |
|---|---|---|---|---|---|
| Oct 1–3 3 days | 15° | 6° → 5° | ≈2 mm | 11 h 37 → 11 h 29 | Last quarter Oct 3 |
| Oct 4–10 7 days | 14° → 12° | 5° → 3° | ≈4 mm | 11 h 25 → 11 h 2 | New moon Oct 10 |
| Oct 11–16 6 days | 12° → 10° | 3° → 1° | ≈3 mm | 10 h 58 → 10 h 39 | — |
Typical range estimated from latitude, season and the 14-day forecast
Days 1–14: WeatherAPI.com · days 15–30: Typical range estimated from latitude, season and the 14-day forecast · 51.4816°N, 3.1791°W