Yellow advisoryFrost · in effect until 11:01 AMDetails
30-day outlook · Perth
14-day forecast →Sep 2570°48°5%
2673°46°Full moon
2772°48°14%
2872°48°13%
2973°50°5%
3073°56°85%
Oct 173°56°16%
281°63°10%
371°57°Last quarter
473°54°76%
569°51°90%
652°43°43%
750°36°7%
856°37°6%
9avg59°39°
10avg58°39°New moon
11avg58°38°
12avg57°38°
13avg57°38°
14avg56°37°
15avg56°37°
16avg56°37°
17avg55°36°
18avg55°36°First quarter
19avg54°36°
20avg54°35°
21avg53°35°
22avg53°35°
23avg53°35°
24avg52°34°
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 25 | Sunny | 70° | 48° | 5% · 0 in | Forecast |
| Sat Sep 26 | Sunny | 73° | 46° | 11% · 0 in | Forecast |
| Sun Sep 27 | Partly cloudy | 72° | 48° | 14% · 0 in | Forecast |
| Mon Sep 28 | Partly cloudy | 72° | 48° | 13% · 0 in | Forecast |
| Tue Sep 29 | Partly cloudy | 73° | 50° | 5% · 0 in | Forecast |
| Wed Sep 30 | Partly cloudy | 73° | 56° | 85% · 0.35 in | Forecast |
| Thu Oct 1 | Mostly cloudy | 73° | 56° | 16% · 0 in | Outlook |
| Fri Oct 2 | Mostly cloudy | 81° | 63° | 10% · 0 in | Outlook |
| Sat Oct 3 | Showers | 71° | 57° | 88% · 0.26 in | Outlook |
| Sun Oct 4 | Mostly cloudy | 73° | 54° | 76% · 0.07 in | Outlook |
| Mon Oct 5 | Showers | 69° | 51° | 90% · 0.43 in | Outlook |
| Tue Oct 6 | Showers | 52° | 43° | 43% · 0.02 in | Outlook |
| Wed Oct 7 | Sunny | 50° | 36° | 7% · 0 in | Outlook |
| Thu Oct 8 | Sunny | 56° | 37° | 6% · 0 in | Outlook |
Days 15–30 · what is typical
No forecast is reliable beyond two weeks, so these are the normals for Perth 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 9–17 9 days | 59° → 55° | 39° → 36° | ≈0.93 in | 11 h 17 → 10 h 53 | New moon Oct 10 |
| Oct 18–24 7 days | 55° → 52° | 36° → 34° | ≈0.72 in | 10 h 50 → 10 h 32 | First quarter Oct 18 |
Climate normals 1981–2010, Drummond Centre station · Environment and Climate Change Canada
Days 1–7: Environment and Climate Change Canada (Smiths Falls - Perth - Eastern Lanark County) · days 8–14: WeatherAPI.com · days 15–30: Climate normals 1981–2010, Drummond Centre station · Environment and Climate Change Canada · 44.9001°N, 76.2494°W