30-day outlook · Belfast
14-day forecast →Sep 1915°9°50%
2015°7°36%
2122°11°16%
2219°13°22%
2316°9°76%
2420°9°25%
2520°12°18%
2617°9°Full moon
2718°8°20%
2821°10°10%
2919°12°11%
3022°12°13%
Oct 118°13°43%
218°12°75%
3avg12°4°Last quarter
4avg12°4°
5avg12°4°
6avg11°3°
7avg11°3°
8avg11°3°
9avg10°2°
10avg10°2°New moon
11avg9°2°
12avg9°1°
13avg9°1°
14avg8°1°
15avg8°0°
16avg8°0°
17avg7°0°
18avg7°-1°First quarter
TodayForecast, days 1–14Avg — typical for the date, not a forecast
Days 1–14 at a glance
Today →| Day | Weather | High | Low | Precip | Source |
|---|---|---|---|---|---|
| Today Sep 19 | Showers | 15° | 9° | 50% · 0.6 mm | Outlook |
| Sun Sep 20 | Mostly cloudy | 15° | 7° | 36% · 0.3 mm | Outlook |
| Mon Sep 21 | Sunny | 22° | 11° | 16% · 0 mm | Outlook |
| Tue Sep 22 | Mostly cloudy | 19° | 13° | 22% · 0 mm | Outlook |
| Wed Sep 23 | Mostly cloudy | 16° | 9° | 76% · 3 mm | Outlook |
| Thu Sep 24 | Mostly cloudy | 20° | 9° | 25% · 0 mm | Outlook |
| Fri Sep 25 | Sunny | 20° | 12° | 18% · 0 mm | Outlook |
| Sat Sep 26 | Sunny | 17° | 9° | 14% · 0 mm | Outlook |
| Sun Sep 27 | Mostly cloudy | 18° | 8° | 20% · 0 mm | Outlook |
| Mon Sep 28 | Sunny | 21° | 10° | 10% · 0 mm | Outlook |
| Tue Sep 29 | Sunny | 19° | 12° | 11% · 0 mm | Outlook |
| Wed Sep 30 | Sunny | 22° | 12° | 13% · 0 mm | Outlook |
| Thu Oct 1 | Fog | 18° | 13° | 43% · 0.1 mm | Outlook |
| Fri Oct 2 | Fog | 18° | 12° | 75% · 2 mm | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Belfast 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 3–10 8 days | 12° → 10° | 4° → 2° | ≈4 mm | 11 h 25 → 10 h 55 | Last quarter Oct 3 · New moon Oct 10 |
| Oct 11–18 8 days | 9° → 7° | 2° → -1° | ≈4 mm | 10 h 50 → 10 h 20 | First quarter Oct 18 |
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 · 54.5970°N, 5.9300°W