Weather in Ann Arbor

United States · Michigan · 42.2776, -83.7409

Today Now 6:17 PM

+55° Clear

Hourly forecast

Today10/18 Temperature°F Cloudiness Precipitation Windmph Wind gusts Humidity PressureinHg Dew point°F Visibilitymi UV index
Hourly forecast — Ann Arbor

Forecast in words

Today

Clear throughout the day, high +55°, low +46°. Wind gusts reach 8 mph. No rain expected.

Tomorrow

Tomorrow clear, high +64°, low +41°, 9° warmer.

Week

Seven days ahead fall within +41°…+72°. Warmest day — Sun, up to +72°. Coldest at night — Mon, +41°. No precipitation expected this week. Cloudless weather for 7 days.

Week vs norm

  1. Today 10/18 +55° −5° usually +61°
  2. Tomorrow 10/19 +64° +4° usually +60°
  3. Tue 10/20 +64° +4° usually +60°
  4. Wed 10/21 +63° +3° usually +59°
  5. Thu 10/22 +64° +5° usually +59°
  6. Fri 10/23 +63° +4° usually +59°
  7. Sat 10/24 +68° +10° usually +58°
  8. Sun 10/25 +72° +14° usually +58°

Difference between forecast daytime high and the 1991–2020 norm for this date.

This day, October 18

Today is cooler than usual for this date.

  • Heat record +77° 2007
  • Cold record +26° 2018
  • Most precipitation 1.0 in 1996
  • Strongest gust 47 mph 1998

Records for this calendar date, 1991-2024, ERA5 reanalysis.

Climate in Ann Arbor

Today is about 4° colder than usual for October.

Climate normals by month, Ann Arbor
Month Daytime / Nighttime Average Precipitation in
Jan +31° / +19° +24° 2.7
Feb +34° / +20° +26° 2.2
Mar +45° / +28° +36° 2.7
Apr +58° / +38° +47° 3.7
May +69° / +50° +59° 3.9
Jun +78° / +60° +69° 3.9
Jul +82° / +64° +73° 3.8
Aug +80° / +63° +71° 3.4
Sep +75° / +56° +64° 2.8
Oct +62° / +45° +53° 2.9
Nov +48° / +34° +40° 2.6
Dec +36° / +25° +30° 2.5

Climatic normals for 1991–2025 years from ERA5-Land reanalysis.

Astronomical data

Sunrise / sunset 7:51 AM | 6:47 PM
Moon 3:16 PM | —
Moon phase First quarter 50%
Next solar eclipse
Calculating for this city…

Weather in the region