This solar-powered wireless weather station is designed for professional environmental monitoring applications, offering reliable, maintenance-free operation in remote or off-grid locations. Built for IoT, LoRaWAN, and Modbus integration, it supports seamless data transmission over long-range, low-power networks—ideal for smart agriculture, climate research, industrial sites, and municipal infrastructure. The station features high-precision sensors for temperature, humidity, atmospheric pressure, wind speed/direction, rainfall, solar radiation, and UV index—all housed in a rugged, weatherproof enclosure rated IP65. Powered by a high-efficiency photovoltaic (PV) solar panel and rechargeable lithium battery, it ensures continuous 24/7 operation even under variable light conditions. For LoRaWAN gateways, for Modbus RTU/ASCII/TCP devices, for MQTT brokers, and for cloud platforms like ThingsBoard or AWS IoT, it delivers standardized, scalable telemetry. For solar monitoring systems, for irrigation controllers, for HVAC optimization, and for disaster early-warning networks, its flexible configuration enables custom sensor suites and alarm thresholds. Equipped with built-in Wi-Fi for local setup and firmware updates, plus optional 4G/LTE fallback, it guarantees robust connectivity. For calibration labs, for educational institutions, for government meteorological departments, and for renewable energy projects, this station meets CE, FCC, and RoHS compliance standards. Its intuitive web interface and API support simplify deployment, while encrypted data transmission ensures security and integrity. For integration with SCADA systems, for BMS (Building Management Systems), for precision farming tools, and for urban air quality networks, it serves as a versatile, future-ready environmental sensing solution.