Click on a day for an hourly weather forecast
The temperatures in Passaic in October are usually low and can range between 11°C and 18°C.
You can expect about 3 to 8 days of rain in Passaic during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Passaic in October 2025.
If you’re planning to visit Passaic in the near future, we highly recommend that you review the 14 day weather forecast for Passaic before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 2° / -4° | 5 | 18 | 8 | 83 mm | Awful | Passaic in January |
| February | 4° / -3° | 7 | 12 | 9 | 98 mm | Awful | Passaic in February |
| March | 9° / 1° | 7 | 19 | 6 | 118 mm | Awful | Passaic in March |
| April | 15° / 7° | 7 | 23 | 1 | 102 mm | Ok | Passaic in April |
| May | 21° / 12° | 8 | 23 | 0 | 128 mm | Ok | Passaic in May |
| June | 26° / 17° | 6 | 24 | 0 | 127 mm | Perfect | Passaic in June |
| July | 30° / 21° | 8 | 23 | 0 | 151 mm | Ok | Passaic in July |
| August | 29° / 20° | 7 | 24 | 0 | 151 mm | Ok | Passaic in August |
| September | 25° / 17° | 5 | 25 | 0 | 100 mm | Perfect | Passaic in September |
| October | 18° / 11° | 6 | 25 | 0 | 117 mm | Good | Passaic in October |
| November | 11° / 5° | 5 | 24 | 1 | 80 mm | Ok | Passaic in November |
| December | 6° / 1° | 7 | 20 | 4 | 119 mm | Awful | Passaic in December |