diff --git a/src/devices/boiler.cpp b/src/devices/boiler.cpp
index 8a54d7429..489116a3c 100644
--- a/src/devices/boiler.cpp
+++ b/src/devices/boiler.cpp
@@ -64,6 +64,7 @@ Boiler::Boiler(uint8_t device_type, int8_t device_id, uint8_t product_id, const
         register_telegram_type(0xE6, "UBAParametersPlus", true, MAKE_PF_CB(process_UBAParametersPlus));
         register_telegram_type(0xE9, "UBAMonitorWWPlus", false, MAKE_PF_CB(process_UBAMonitorWWPlus));
         register_telegram_type(0xEA, "UBAParameterWWPlus", true, MAKE_PF_CB(process_UBAParameterWWPlus));
+        register_telegram_type(0x28, "WeatherComp", true, MAKE_PF_CB(process_WeatherComp));
     }
 
     if (model() == EMSdevice::EMS_DEVICE_FLAG_HEATPUMP) {
@@ -241,6 +242,9 @@ Boiler::Boiler(uint8_t device_type, int8_t device_id, uint8_t product_id, const
                               MAKE_CF_CB(set_hyst2_off),
                               0,
                               20);
+        register_device_value(DeviceValueTAG::TAG_DEVICE_DATA, &curveOn_, DeviceValueType::BOOL, FL_(curveOn), DeviceValueUOM::NONE, MAKE_CF_CB(set_curveOn));
+        register_device_value(DeviceValueTAG::TAG_DEVICE_DATA, &curveBase_, DeviceValueType::UINT, FL_(curveBase), DeviceValueUOM::DEGREES, MAKE_CF_CB(set_curveBase));
+        register_device_value(DeviceValueTAG::TAG_DEVICE_DATA, &curveEnd_, DeviceValueType::UINT, FL_(curveEnd), DeviceValueUOM::DEGREES, MAKE_CF_CB(set_curveEnd));
     }
     register_device_value(DeviceValueTAG::TAG_DEVICE_DATA,
                           &heatingActivated_,
@@ -1994,6 +1998,14 @@ void Boiler::process_HIUSettings(std::shared_ptr<const Telegram> telegram) {
     has_update(telegram, setReturnTemp_, 2);
 }
 
+// Weather compensation, #1642
+// boiler(0x08) -W-> Me(0x0B), ?(0x28), data: 00 3C 32 10 00 05
+void Boiler::process_WeatherComp(std::shared_ptr<const Telegram> telegram) {
+    has_update(telegram, curveOn_, 0);
+    has_update(telegram, curveEnd_, 1);
+    has_update(telegram, curveBase_, 2);
+}
+
 // HIU Settings
 bool Boiler::set_keepWarmTemp(const char * value, const int8_t id) {
     int v;
@@ -3137,4 +3149,31 @@ bool Boiler::set_nomPower(const char * value, const int8_t id) {
     return true;
 }
 
+bool Boiler::set_curveOn(const char * value, const int8_t id) {
+    bool v;
+    if (Helpers::value2bool(value, v)) {
+        write_command(0x28, 0, v ? 0xFF : 0);
+        return true;
+    }
+    return false;
+}
+
+bool Boiler::set_curveBase(const char * value, const int8_t id) {
+    int v;
+    if (!Helpers::value2temperature(value, v)) {
+        return false;
+    }
+    write_command(0x28, 2, v);
+    return true;
+}
+
+bool Boiler::set_curveEnd(const char * value, const int8_t id) {
+    int v;
+    if (!Helpers::value2temperature(value, v)) {
+        return false;
+    }
+    write_command(0x28, 1, v);
+    return true;
+}
+
 } // namespace emsesp
diff --git a/src/devices/boiler.h b/src/devices/boiler.h
index ff9f7f66b..c3a67ed32 100644
--- a/src/devices/boiler.h
+++ b/src/devices/boiler.h
@@ -155,6 +155,11 @@ class Boiler : public EMSdevice {
     uint16_t headertemp_; // see #1317
     uint16_t heatblock_;  // see #1317
 
+    // weather compensation, see #1642
+    uint8_t curveOn_;
+    uint8_t curveBase_;
+    uint8_t curveEnd_;
+
     // info
     uint32_t upTimeTotal_;               // Operating time
     uint32_t upTimeControl_;             // Operating time control
@@ -351,6 +356,7 @@ class Boiler : public EMSdevice {
     void process_HpSettings3(std::shared_ptr<const Telegram> telegram);
     void process_HpEnergy(std::shared_ptr<const Telegram> telegram);
     void process_HpMeters(std::shared_ptr<const Telegram> telegram);
+    void process_WeatherComp(std::shared_ptr<const Telegram> telegram);
     // HIU
     void process_HIUSettings(std::shared_ptr<const Telegram> telegram);
     void process_HIUMonitor(std::shared_ptr<const Telegram> telegram);
@@ -523,6 +529,9 @@ class Boiler : public EMSdevice {
     bool set_delayBoiler(const char * value, const int8_t id);
     bool set_tempDiffBoiler(const char * value, const int8_t id);
     */
+    bool set_curveOn(const char * value, const int8_t id);
+    bool set_curveBase(const char * value, const int8_t id);
+    bool set_curveEnd(const char * value, const int8_t id);
 
     bool set_nrgHeat(const char * value, const int8_t id);
     bool set_nrgWw(const char * value, const int8_t id);
diff --git a/src/locale_translations.h b/src/locale_translations.h
index 824d0703a..a856d33b4 100644
--- a/src/locale_translations.h
+++ b/src/locale_translations.h
@@ -346,6 +346,10 @@ MAKE_TRANSLATION(pumpMode, "pumpmode", "boiler pump mode", "Kesselpumpen Modus",
 MAKE_TRANSLATION(headertemp, "headertemp", "low loss header", "Hydr. Weiche", "open verdeler", "", "sprzęgło hydrauliczne", "", "bouteille de déc. hydr.", "isı bloğu gidiş suyu sıc.", "comp. idr.", "nízkostratová hlavica") // TODO translate
 MAKE_TRANSLATION(heatblock, "heatblock", "heating block", "Wärmezelle", "Aanvoertemp. warmtecel", "", "blok grzewczy", "", "départ corps de chauffe", "Hid.denge kabı sıcaklığı", "mandata scamb. pr.", "vykurovací blok") // TODO translate
 
+MAKE_TRANSLATION(curveOn, "curveon", "heatingcurve on", "Heizkurve an", "", "", "", "", "", "", "", "") // TODO translate
+MAKE_TRANSLATION(curveBase, "curvebase", "heatingcurve base", "Heizkurve Basis", "", "", "", "", "", "", "", "") // TODO translate
+MAKE_TRANSLATION(curveEnd, "curveend", "heatingcurve end", "Heizkurve Ende", "", "", "", "", "", "", "", "") // TODO translate
+
 // heatpump/compress specific
 MAKE_TRANSLATION(upTimeTotal, "uptimetotal", "heatpump total uptime", "Wärmpepumpe Gesamtbetriebszeit", "", "", "łączny czas pracy pompy ciepła", "", "", "", "", "celková doba prevádzky tepelného čerpadla") // TODO translate
 MAKE_TRANSLATION(upTimeControl, "uptimecontrol", "total operating time heat", "Betriebszeit Heizen gesamt", "Totale bedrijfstijd", "Total tid uppvärmning", "łączny czas generowania ciepła", "total driftstid", "durée totale de fonctionnement chauffage", "ısınma toplam işletme süresi", "Tempo di funzionamento totale riscaldamento", "celkový prevádzkový čas tepla")