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Why are some of my car windows fogged in the morning but not others?

Dr. Aris Thorne
Dr. Aris Thorne
Senior Science Editor · Feb 22, 2026 · Updated Apr 13, 2026

Is your car parked outdoors? fog/condensation is usually caused by a temperature difference between the inside/outside glass, so if the sun is hitting the car at a certain angle this may explain why.

35
Words

1 min
Read Time

#398
of 500 in Nature

-51%
vs Category Avg

The Short Answer

Is your car parked outdoors? fog/condensation is usually caused by a temperature difference between the inside/outside glass, so if the sun is hitting the car at a certain angle this may explain why.

Analysis

Key Concepts: Parked, outdoors, condensation

This explanation focuses on parked, outdoors, condensation and spans 35 words across 2 sentences. At 51% below the average Nature explanation (71 words), the answer takes a direct, no-frills approach — sometimes the simplest explanation is the most effective.

What This Answer Covers

This is a focused, single-point answer that gets directly to the core of the question without detours.

How This Compares in Nature

Ranked #398 of 500 Nature questions by answer depth (top 80%). This is a brief primer — the answer is intentionally short. For questions with a single core mechanism, brevity can actually be a strength.

Frequently Asked Questions

Is there a simple explanation for why some of my car windows fogged in the morning but not others?

Is your car parked outdoors? fog/condensation is usually caused by a temperature difference between the inside/outside glass, so if the sun is hitting the car at a certain angle this may explain why.

How detailed is this explanation compared to similar Nature questions?

This is a brief answer at 35 words, ranked #398 of 500 Nature questions by depth. The key concepts covered are parked, outdoors, condensation.

What approach does this answer take to explain some of my car windows fogged in the morning but not others?

The explanation uses root cause analysis across 35 words. It is categorized under Nature and addresses the question through 1 analytical lens.