Weather Apps · Tool Face-Off

Weather.com vs Weather Underground

Quick answer

Weather.com wins on polish and accessibility; Weather Underground wins on hyperlocal nerd-level data from its massive personal weather station network.

Weather.com

The mainstream giant — slick, ad-heavy, good enough for most

3.4★

Our pick

Weather Underground

The weather nerd's paradise — crowdsourced, granular, glorious

4★

Owner

The Weather Company (IBM)

Free Tier

Yes, ad-supported

Ad-Free Subscription

~$2/mo (Weather.com premium)

~$2-5/mo (WU Premium)

Personal Weather Stations

Not accessible to users

250,000+ PWS network

Hyperlocal Radius

City/zip level

Often under 1 mile via PWS

Historical Data Access

Limited (recent days only free)

Deep historical via PWS logs

Radar Tool

Interactive, smooth, polished

Good but less refined UI

10-Day Forecast

Yes

Hourly Forecast Detail

Standard (temp, precip, wind)

Adds dewpoint, pressure, humidity

Mobile App Rating (approx)

4.5/5 App Store

3.8/5 App Store

API Access

Paid, enterprise-focused

Free tier for hobbyists

Community Features

None

PWS owners, forums, reports

Weather.com

Data Depth★★★☆☆

Ease of Use★★★★½

Radar & Maps★★★★☆

Ad Experience★★☆☆☆

Hyperlocal Data★★½☆☆

Forecast Accuracy★★★½☆

Mobile Experience★★★★☆

Weather Underground

Data Depth★★★★★

Ease of Use★★★½☆

Radar & Maps★★★★☆

Ad Experience★★½☆☆

Hyperlocal Data★★★★★

Forecast Accuracy★★★★☆

Mobile Experience★★★½☆

Worth knowing

Weather Underground was founded in 1995 by University of Michigan students — ancient by internet standards.
Both tools are owned by IBM's The Weather Company, yet they remain surprisingly different products.
Weather.com reaches over 100 million monthly users, making it one of the most visited sites in the US.
Weather Underground's PWS network means your neighbor's backyard sensor can inform your forecast.
Weather.com's app is notably smoother, but heavy ads can slow page loads significantly.

IBM bought Weather Underground in 2012 partly to harvest its ocean of crowdsourced sensor data — your neighbor's $80 backyard weather station is now corporate AI training fuel.

If you want

You just want a quick, reliable daily forecast

Weather.com's clean interface and great mobile app get you in and out fast.

→ Pick Weather.com

If you want

You live in a microclimate — valley, coastline, urban heat island

WU's personal weather station network gives you data from someone literally near you.

→ Pick Weather Underground

If you want

You're a weather hobbyist or run your own PWS

Weather Underground lets you join the network, share data, and geek out with community tools.

→ Pick Weather Underground