Click on a day for an hourly weather forecast
The weather in Valley Stream in August is hot. The average temperatures are between 22°C and 28°C.
You can expect about 3 to 8 days of rain in Valley Stream during the month of August. 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 Valley Stream in August 2025.
If you’re planning to visit Valley Stream in the near future, we highly recommend that you review the 14 day weather forecast for Valley Stream before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / -2° | 6 | 18 | 8 | 62 mm | Awful | Valley Stream in January |
| February | 4° / -1° | 6 | 15 | 7 | 77 mm | Awful | Valley Stream in February |
| March | 8° / 3° | 6 | 21 | 4 | 86 mm | Bad | Valley Stream in March |
| April | 13° / 8° | 5 | 24 | 0 | 77 mm | Ok | Valley Stream in April |
| May | 19° / 13° | 6 | 25 | 0 | 100 mm | Good | Valley Stream in May |
| June | 24° / 18° | 5 | 25 | 0 | 106 mm | Perfect | Valley Stream in June |
| July | 28° / 22° | 6 | 25 | 0 | 138 mm | Perfect | Valley Stream in July |
| August | 28° / 22° | 6 | 25 | 0 | 137 mm | Perfect | Valley Stream in August |
| September | 24° / 19° | 4 | 26 | 0 | 92 mm | Perfect | Valley Stream in September |
| October | 18° / 13° | 5 | 26 | 0 | 94 mm | Good | Valley Stream in October |
| November | 12° / 7° | 4 | 25 | 1 | 58 mm | Ok | Valley Stream in November |
| December | 7° / 3° | 6 | 21 | 4 | 95 mm | Bad | Valley Stream in December |