[3] Precipitation runoff and meltwater from the mountain's glaciers drains into tributaries of the Lowe River, which in turn empties to Prince William Sound.

Based on the Köppen climate classification, Meteorite Mountain is located in a subarctic climate zone with long, cold, snowy winters, and cool summers.

[5] Weather systems coming off the Gulf of Alaska are forced upwards by the Chugach Mountains (orographic lift), causing heavy precipitation in the form of rainfall and snowfall.

Temperatures can drop below −20 °C with wind chill factors below −30 °C.

The months May through June offer the most favorable weather for viewing and climbing.