Temperature
Cool by day, cold at night.
Blue Ash is usually most comfortable in September and October. Typical daytime highs range from 39–85°F across the year. Rain varies by season.

Cool by day, cold at night.
Several rainy days. About 9 wet days, fewer than in most months.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 44° and nights feel near 33°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 50°F, easing to about 46°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 39 | 25 | 3.3 | 10 | 5.6 | 71 |
| Feb | 44 | 28 | 3.0 | 9 | 6.6 | 68 |
| Mar | 53 | 36 | 4.1 | 11 | 7.8 | 63 |
| Apr | 66 | 46 | 4.7 | 12 | 9.3 | 62 |
| May | 74 | 56 | 4.6 | 13 | 10.3 | 67 |
| Jun | 82 | 65 | 4.2 | 13 | 11.8 | 68 |
| Jul | 85 | 68 | 3.5 | 12 | 12.1 | 70 |
| Aug | 84 | 67 | 3.0 | 10 | 11.6 | 70 |
| Sep | 78 | 59 | 2.7 | 8 | 9.8 | 69 |
| Oct | 66 | 48 | 2.9 | 9 | 8.1 | 69 |
| Nov | 54 | 38 | 3.3 | 9 | 6.4 | 69 |
| Dec | 43 | 30 | 3.6 | 10 | 5.1 | 73 |
Similar climates
Want a side-by-side climate view? Compare Blue Ash with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology