Forecastfox (fix version)

Get international weather updates (via AccuWeather.com) displayed right in Firefox with this highly customizable extension.
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Forecastfox (fix version) is a highly customizable Chrome extension that brings international weather updates directly to your Firefox browser, powered by AccuWeather.com. It offers both vertical and horizontal display options, supports multiple favorite locations, and allows you to select your preferred units like Fahrenheit, Celsius, or custom options.

Users can choose from dozens of weather icon styles, define which pages to hide the forecast bar on, and select the number of days displayed in the weather forecast. Additional detailed weather information includes humidity, wind, precipitation, and visibility. There are some WebExtensions limitations affecting display on certain internal or specific websites. For Google Chrome users, Forecastfox (fix version) is also available as a compatible extension.

Manifest V2 Weather Utilities
By:
Oleksandr
Daily users:
13,667+ 31
Rating:
3.84
(688)
Version:
4.12 Last updated: 2017-12-20
Version code:
2277538
Creation date:
2015-02-06
Risk:
High risk impact Low risk likelihood
Permissions:
  • activeTab
  • tabs
  • background
  • storage
  • webRequest
  • webRequestBlocking
  • http://*/*
  • https://*/*
  • <all_urls>
Size:
1.31M
Email:
se*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Firefox Browser Add-ons
Updated:
a day ago

Ranking

# 649 ▼ 1
Other rankings
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Other platforms

Forecastfox (fix version) (v4.26)
17,844+ 4.21 (263)

User reviews

Pros
  • At one point, it was considered a great and useful weather extension.
  • The add-on once allowed users to view weather for different locations.
  • Some users found it to be a cool or good app during its working period.
Cons
  • Cannot change or select locations for the weather, making the add-on useless for many users.
  • Reports of errors such as 'Download failed' and 'add-on appears CORRUPT', indicating installation and connectivity issues.
  • The extension has not been updated for many years (about 5 years), leading to broken functionality.
  • Google Maps JavaScript API errors (ExpiredKeyMapError) prevent location changes and cause malfunctions.
  • Infinite loading or hanging when trying to change location.
Recent reviews
Just says Download failed. Please check your connection. My connection is fine. After all I got to addons.mozilla.org didn't I?
by defaria, 2025-04-18
by Firefox user 14123485, 2025-04-18
Cannot install - "add-on appears CORRUPT"
by Firefox user 14378551, 2025-04-17
View all user reviews ›

Extension safety

Risk impact

Forecastfox (fix version) requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk impact analysis details
  • Critical Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
  • Critical ****** ****** ** *** ********* ****** * *********** ******** **** ** ** *** ******* *** ****** **** **** *** ******* *****
  • High ****** *** ********* ** ******* *** ******* ******* ** ****** *** *** ******** ******
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • Low ******* ****** ** *** ********* ******** ********************
Risk likelihood

Forecastfox (fix version) has earned a fairly good reputation and likely can be trusted.

Risk likelihood analysis details
  • Medium This extension has medium user count. Unpopular extensions may not be stable or safe.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details

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