Over the next 10 days Lille tops out around 100° (Friday) and dips to 52° on the coolest night (Sunday). About 0.06 in of precipitation is expected in total; the most likely wet day is Saturday (57% chance). Right now Lille is about 20° cooler than nearby Paris. Longer view: four distinct seasons, with the biggest swings between high summer and midwinter.
Lille, France · 50.63°N, 3.06°E · Europe/Paris · Forecast computed for these exact coordinates