Weather Data API
GET/v1/weatherdata/forecast/daily
Daily summary (min and max temperature, mean humidity and cloud, max wind and gust, precipitation total) for a coordinate in the contiguous United States or Australia, 1 to 5 days, aggregated per UTC day from the GFS hourly series. Refreshes every 60 minutes or on a new model cycle.
Price
$0.005/ callEdge cache
1800s
Uptime 24h
100.00%
p95
250ms
MCP tool
weatherdata_forecast-daily
The Weather Data API provides active weather alerts, current observations, and hourly and daily forecasts for the United States and Australia. The API offers a daily forecast summary, including temperature, humidity, cloud, wind, and precipitation totals. The data is normalized into one schema with a coverage field. The API refreshes every 60 minutes or on a new model cycle.
Parameters
| Name | In | Type | Description |
|---|---|---|---|
| lat* | query | number | |
| lon* | query | number | |
| days | query | integer = 3 |
Code
# 1. No key, no payment: the gateway answers 402 with the price
curl -i "https://api.realtimeapi.ai/v1/weatherdata/forecast/daily?lat=-33.87&lon=151.21"
# 2. Pay: retry with a signed x402 payment (any x402 client builds this header)
curl "https://api.realtimeapi.ai/v1/weatherdata/forecast/daily?lat=-33.87&lon=151.21" -H "PAYMENT-SIGNATURE: $X402_PAYMENT"// npm i @x402/fetch @x402/core @x402/evm viem
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";
const client = x402Client.fromConfig({ schemes: [{ network: "eip155:8453", client: new ExactEvmScheme(privateKeyToAccount(PRIVATE_KEY)) }] });
const pay = wrapFetchWithPayment(fetch, client);
const data = await (await pay("https://api.realtimeapi.ai/v1/weatherdata/forecast/daily?lat=-33.87&lon=151.21")).json();
console.log(data);# pip install "x402[requests,evm]==2.27.0" eth-account
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact import register_exact_evm_client
client = x402ClientSync()
register_exact_evm_client(client, EthAccountSigner(Account.from_key(PRIVATE_KEY)))
session = x402_requests(client)
print(session.get("https://api.realtimeapi.ai/v1/weatherdata/forecast/daily?lat=-33.87&lon=151.21").json())curl "https://api.realtimeapi.ai/v1/weatherdata/forecast/daily?lat=-33.87&lon=151.21" -H "X-API-Key: $RTAPI_KEY"Frequently asked questions
What is the cost of the API?
The API costs $0.005 per request
What parameters are required for the daily forecast endpoint?
The daily forecast endpoint requires lat, lon, and days parameters
How often is the data refreshed?
The data is refreshed every 60 minutes or on a new model cycle