Temperature
Warm by day, mild at night.
Altoona is most comfortable in spring, summer, and autumn. Summers are warm and winters are cold. Humidity is usually low.

Warm by day, mild at night.
Moderate rain risk, mostly light.
A mix of sunshine and cloud.
Warm days, with some hot afternoons and occasional humid spells.
In August, afternoons feel about 80° and nights feel near 65°.
Partly cloudy across the month.
August late afternoons are around 79°F, easing to about 75°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Altoona 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.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 11, 2026
Data & methodology