Smart Watering
Starts Here.
Palmetto Rain pulls real rainfall data for your yard and tells you every morning whether to water or let nature do the work.
Start for freeNo credit card required.
How It Works
Enter your ZIP code
We use your ZIP to find the nearest NOAA weather station and pull real precipitation data for your area, updated every day.
Choose your grass type
Select your grass from our library. Each variety has its own weekly water needs, and we factor that into every recommendation.
Get your daily email every morning
Every morning you get one clear message: water today, or skip it. Nothing else to think about.
Features
Real Local Rainfall
We pull live data from NOAA weather stations, the same ones the National Weather Service uses. No estimates, no guesswork.
Built for Your Plants
Tell us what you grow and we match rainfall to your plants' exact water needs. Grass, garden, or native plants: we know the difference.
A Daily Email That Helps
Every morning, one simple message: water today or skip it. Set it up once and let Palmetto Rain do the thinking.
Why Palmetto Rain
Local NOAA Data
Real precipitation readings from National Weather Service stations, not weather apps or regional averages. Your yard, your actual rainfall.
Built for the Palmetto State
Designed around South Carolina's climate, warm-season grasses, and growing calendar. Not a generic tool repurposed for the Southeast.
Set It and Forget It
Create your account, pick your grass, and Palmetto Rain handles the rest. One email every morning. No apps to check.
Palmetto Rain Pays For Itself
of irrigation water is wasted by homeowners using fixed schedules, according to the EPA
saved annually by switching from a fixed schedule to smart, weather-based watering
reduction in water use when watering is guided by real local weather data
Source: U.S. Environmental Protection Agency WaterSense Program
Plant Library
A sample from our library of 166 plants and growing.
Annual Ryegrass
grass
1.25"/wk
Bahia Grass
grass
1.00"/wk
Bermuda Grass
grass
1.00"/wk
Blue Grama Grass
grass
0.50"/wk
Buffalo Grass
grass
0.50"/wk
Carpetgrass
grass
0.75"/wk
Full library available after signup. Grasses, native plants, vegetables, shrubs, and more.
The Daily Email
This is what lands in your inbox every morning.
From: Palmetto Rain <hello@palmettorain.com>
Subject: Water today, William
Good morning, William!
Run your sprinklers for 26 minutes today and again on Saturday, Jun 28 to meet your weekly target.
Rainfall this week
Weekly target
Days remaining
3-Day Forecast
Today
Jun 25
15%
No rain
Tomorrow
Jun 26
70%
Rain expected
Friday
Jun 27
35%
No rain
Rainfall data via NOAA National Weather Service. Manage your settings at palmettorain.com.
Unsubscribe from daily emails
Early Access
Palmetto Rain is completely free during our early access period. Thank you for helping us build something great for the Palmetto State.
Get started freeFAQ
How accurate is the data?
We pull live precipitation readings from NOAA National Weather Service stations tied to your ZIP code. Coverage is strong across South Carolina. If your area falls between stations, we use the nearest available reading.
What plants are supported?
Our library includes warm-season grasses common to South Carolina such as Bermuda, Zoysia, and St. Augustine, along with flowers, vegetables, shrubs, and native plants. We add more every week based on user requests.
How do I get the daily email?
After you create your account and finish the short setup, Palmetto Rain starts sending a morning email with your watering recommendation. You choose the delivery time in your settings.
Is it really free?
Yes, completely free during early access. No credit card required, no free trial that expires, no catches.
What ZIP codes are supported?
Palmetto Rain is currently focused on South Carolina ZIP codes, where NOAA weather station coverage is well suited to our approach. If your ZIP is not recognized, reach out and we will look into adding support.