diff --git a/platformio.ini b/platformio.ini
index 69883271d..ba6e25b39 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -119,6 +119,7 @@ lib_deps = ${arduino_base.lib_deps}
 [sensor_base]
 build_flags =
   -D ENV_INCLUDE_GPS=1
+  -D ENV_INCLUDE_DS18B20=1
   -D ENV_INCLUDE_AHTX0=1
   -D ENV_INCLUDE_BME280=1
   -D ENV_INCLUDE_BMP280=1
@@ -149,3 +150,5 @@ lib_deps =
   stevemarple/MicroNMEA @ ^2.0.6
   adafruit/Adafruit BME680 Library @ ^2.0.4
   adafruit/Adafruit BMP085 Library @ ^1.2.4
+  paulstoffregen/OneWire @ ^2.3.8
+  milesburton/DallasTemperature @ ^4.0.6
\ No newline at end of file
diff --git a/src/helpers/sensors/EnvironmentSensorManager.cpp b/src/helpers/sensors/EnvironmentSensorManager.cpp
index a75d378c8..f559fb76c 100644
--- a/src/helpers/sensors/EnvironmentSensorManager.cpp
+++ b/src/helpers/sensors/EnvironmentSensorManager.cpp
@@ -27,6 +27,16 @@ static Adafruit_BMP085 BMP085;
 static Adafruit_AHTX0 AHTX0;
 #endif
 
+#if ENV_INCLUDE_DS18B20
+#include <OneWire.h>
+#include <DallasTemperature.h>
+#ifndef TELEM_DS18B20_PIN
+#define TELEM_DS18B20_PIN 7
+#endif
+OneWire oneWire(TELEM_DS18B20_PIN);
+static DallasTemperature sensors(&oneWire);
+#endif
+
 #if ENV_INCLUDE_BME280
 #ifndef TELEM_BME280_ADDRESS
 #define TELEM_BME280_ADDRESS    0x76      // BME280 environmental sensor I2C address
@@ -179,6 +189,17 @@ bool EnvironmentSensorManager::begin() {
   }
   #endif
 
+  #if ENV_INCLUDE_DS18B20
+    sensors.begin();
+    uint8_t resetResult = oneWire.reset();
+    if (resetResult == 1) {
+      DS18B20_initialized = true;
+    } else {
+      DS18B20_initialized = false;
+      MESH_DEBUG_PRINTLN("OneWire bus is unresponsive!");
+    }
+  #endif
+
   #if ENV_INCLUDE_BME680
   if (BME680.begin(TELEM_BME680_ADDRESS, TELEM_WIRE)) {
     MESH_DEBUG_PRINTLN("Found BME680 at address: %02X", TELEM_BME680_ADDRESS);
@@ -352,6 +373,16 @@ bool EnvironmentSensorManager::querySensors(uint8_t requester_permissions, Cayen
     }
     #endif
 
+    #if ENV_INCLUDE_DS18B20
+    if (DS18B20_initialized) {
+      sensors.requestTemperatures();
+      for (uint8_t i = 0; i < sensors.getDeviceCount(); i++) {
+        telemetry.addTemperature(next_available_channel, sensors.getTempCByIndex(i));
+        next_available_channel++;
+      }
+    }
+    #endif
+
     #if ENV_INCLUDE_BME680
     if (BME680_initialized) {
       if (BME680.performReading()) {
diff --git a/src/helpers/sensors/EnvironmentSensorManager.h b/src/helpers/sensors/EnvironmentSensorManager.h
index f176a33f5..292c2533a 100644
--- a/src/helpers/sensors/EnvironmentSensorManager.h
+++ b/src/helpers/sensors/EnvironmentSensorManager.h
@@ -22,6 +22,7 @@ class EnvironmentSensorManager : public SensorManager {
   bool SHT4X_initialized = false;
   bool BME680_initialized = false;
   bool BMP085_initialized = false;
+  bool DS18B20_initialized = false;
 
   bool gps_detected = false;
   bool gps_active = false;
diff --git a/variants/xiao_s3_wio/platformio.ini b/variants/xiao_s3_wio/platformio.ini
index 22bb4090a..0d8969be1 100644
--- a/variants/xiao_s3_wio/platformio.ini
+++ b/variants/xiao_s3_wio/platformio.ini
@@ -228,6 +228,8 @@ build_flags =
   -D ADVERT_LAT=0.0
   -D ADVERT_LON=0.0
   -D ADMIN_PASSWORD='"password"'
+  -D ENV_INCLUDE_DS18B20=1
+  -D TELEM_DS18B20_PIN=3
 ;  -D MESH_PACKET_LOGGING=1
 ;  -D MESH_DEBUG=1
 lib_deps =