30-day outlook · Porto Alegre
14-day forecast →Sep 1917°17°93%
2026°16°84%
2122°15°92%
2217°11°14%
2317°10°8%
2423°10°7%
2528°15°7%
2625°18°Full moon
2721°17°92%
2822°16°85%
2921°14°12%
3017°13°36%
Oct 116°13°36%
215°12°90%
3avg22°16°Last quarter
4avg22°16°
5avg23°16°
6avg23°16°
7avg23°16°
8avg23°16°
9avg23°16°
10avg23°16°New moon
11avg23°16°
12avg23°16°
13avg23°17°
14avg24°17°
15avg24°17°
16avg24°17°
17avg24°17°
18avg24°17°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 | Mostly cloudy | 17° | 17° | 93% · 24 mm | Outlook |
| Sun Sep 20 | Fog | 26° | 16° | 84% · 6 mm | Outlook |
| Mon Sep 21 | Showers | 22° | 15° | 92% · 56 mm | Outlook |
| Tue Sep 22 | Mostly cloudy | 17° | 11° | 14% · 0 mm | Outlook |
| Wed Sep 23 | Mostly cloudy | 17° | 10° | 8% · 0 mm | Outlook |
| Thu Sep 24 | Sunny | 23° | 10° | 7% · 0 mm | Outlook |
| Fri Sep 25 | Sunny | 28° | 15° | 7% · 0 mm | Outlook |
| Sat Sep 26 | Mostly cloudy | 25° | 18° | 12% · 0 mm | Outlook |
| Sun Sep 27 | Showers | 21° | 17° | 92% · 30 mm | Outlook |
| Mon Sep 28 | Showers | 22° | 16° | 85% · 4 mm | Outlook |
| Tue Sep 29 | Mostly cloudy | 21° | 14° | 12% · 0 mm | Outlook |
| Wed Sep 30 | Mostly cloudy | 17° | 13° | 36% · 0.3 mm | Outlook |
| Thu Oct 1 | Mostly cloudy | 16° | 13° | 36% · 0.4 mm | Outlook |
| Fri Oct 2 | Mostly cloudy | 15° | 12° | 90% · 19 mm | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Porto Alegre 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 | 22° → 23° | 16° | ≈79 mm | 12 h 27 → 12 h 39 | Last quarter Oct 3 · New moon Oct 10 |
| Oct 11–18 8 days | 23° → 24° | 16° → 17° | ≈79 mm | 12 h 41 → 12 h 53 | 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 · 30.0330°S, 51.2300°W