How many hours of daylight does this need for continuous operation? I live in the North, where the nights get long.

I've had a Tempest since it was first introduced. It's relatively easy to set up and maintenance free. I live in the Pacific Northwest and the Tempest is pretty useless during wintertime as the solar panels don't get enough ambient light to fully charge. For the last year, WeatherFlow has promised a battery power pack accessory to mitigate this issue but they keep delaying its release.

Other than the initial cost of the sensor unit, is there any on-going access fee or subscription charge that is required to use the system?

Hi there! The Tempest Weather System is a one-time purchase and there are no required subscriptions/fees for ongoing use. I hope this helps! Kind regards,

We live in the mountains and frequently get storms with large damaging hail. Is the Tempest sensor warranted against hail damage?

I also live in the mountains but in the tropics so I cannot directly answer about hail. I do however want to mention how in my opinion, their warranty is really, really good. I had occasion where my Tempest was recording accurately but not keeping history. Weather-Flow immediately sent me a new one, no questions asked, and indeed, did not even request that I return the faulty one. Just a great experience and I'm sure they would give support in the case of hail. Cheers, Marcel Lauzon, Costa Rica

Does this weather station measure to the nearest whole degree or tenth of a degree?

On the main screen of the Tempest iPad app and on my Apple watch the temperature is displayed as a whole number. However, if you select the device on the main screen of the iPad tempest app you get more detailed information and on this page it displays temperature as xx.x (i.e. in tenths). Thus I believe the answer to your question is that it measures it to tenths of a degree although it displays it to the nearest whole degree depending on where you look.

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Tempest Weather System with Built-in Wind Meter, Rain Gauge, and Accurate Weather Forecasts, Wireless, App and Alexa Enabled

Tempest Weather System with Built-in Wind Meter, Rain Gauge, and Accurate Weather Forecasts, Wireless, App and Alexa Enabled

Product ID: 310931666

Details

Brand
WeatherFlow
Power source
Solar Powered
Recommended uses for product
home
Special features
Advanced using
Specific uses for product
Rain Rate

☀️Solar-powered wireless sensor

🌧️Rain gauge with real-time updates

🌬️Wind speed & direction sensor

321963 Ft

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Description

🌦️ Own the weather, own the moment.

AI DRIVEN FORECASTS - Leverage machine learning for the most reliable local weather predictions and alerts.
HYPER LOCAL PRECISION - Get ultra-accurate weather data every 3 seconds, right from your backyard.
SOLAR POWERED FREEDOM - Eco-friendly, wireless sensor with 1,000+ feet range—no batteries needed.
SMART HOME INTEGRATION - Seamlessly connect with Alexa, IFTTT, Rachio, and more to automate your home.
EFFORTLESS SETUP MAINTENANCE - Install in minutes with no moving parts and enjoy years of near-zero upkeep.

The WeatherFlow Tempest Weather System is a sleek, solar-powered, wireless weather station that delivers hyper-local, real-time data on wind, rain, temperature, humidity, and more. Featuring advanced machine learning forecasts and seamless smart home integration, it offers professional-grade accuracy with effortless installation and near-zero maintenance, trusted by over 85,000 users and top publications alike.

Specifications

ASIN	B0868WY7NY
Additional Features	Advanced Weather Forecasting using Machine Learning
Are batteries included?	Yes
Brand	WeatherFlow
Brand Name	WeatherFlow
Color	White
Connectivity Technology	433 MHz or 868 MHz
Customer Reviews	4.3 out of 5 stars 1,878 Reviews
Display Type	no display
Finish Type	Glossy
Frequency	0.33 Hz
Included Components	Wireless Outdoor Sensor, Hub, Power Cord, Mounting Hardware, User Guide
Item Dimensions D x W x H	10.6D x 21W x 21.6H centimeters
Item Weight	726 g
Manufacturer	WeatherFlow
Material	Plastic
Material Type	Plastic
Model	2026
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Items	1
Part Number	TH-TWS-03-NA
Power Source	Solar Powered
Power source	Solar Powered
Recommended Uses For Product	home
Recommended uses for product	home
Sensor Technology	Non-mechanical
Shape	Rectangular
Special features	Advanced Weather Forecasting using Machine Learning
Specific Uses For Product	Rain Rate
Specific uses for product	Rain Rate
Style Name	Modern
Temperature Accuracy	0.5 °c
Temperature Reading Accuracy	plus_minus_0_point_5_degrees_celsius
UPC	859883004298
Unit Count	1.0 Count
Upper Temperature Range	140 Degrees Fahrenheit

Reviews

P**Y

So easy to set up

Firstly this weather station took less than 5 minutes from unboxing it to having it on my phone. Just for context I've been using the Davis 2 Pro weather station for the last 10 years which has been good but not overly easy to maintain. I bought this one for its simplicity. I'm very happy with the readings I'm getting from it and can highly recommend it to anyone that's looking for as simple easy to use weather station. The rain sensor is not as accurate as the Davis 2 but it's perfectly adequate and well thought out. Just having the solar built-in is a lovely upgrade.

16.05.2026

X**S

Professionnel

Extrêmement facile à installer et à configurer.

17.09.2025

G**A

Bello

14.09.2025

S**N

Great product that does what it is supposed to do!

Great product, worked straight out of the box (with wind adjustment for southern hemisphere). Software is easy to use with great features.

24.01.2026

J**N

Weatherflow Tempest weerstation, USA

Zeer goed weersysteem en snel geinstalleerd. Amazon zorgde voor een snelle levering. Helaas moest ik een klein bedrag bijbetalen (DHL) voor gestegen energie.

28.07.2026

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TrustScore 4.5 | 7,300+ reviews

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321963 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Customer service was outstanding when I had questions about the product.

2 days ago

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1 month ago

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