Just checked out the JSON URL and it seems to work OK with one of our stations on the 2.0 platform, for which we have the special token. For anyone interested the JSON array returned (probably needs parsing externally) is:
{"credit":"Davis Instruments Corp.","credit_URL":"http:\/\/www.davisnet.com","disclaimer_url":"http:\/\/www.davisnet.com\/about\/terms.asp","copyright_url":"http:\/\/www.davisnet.com\/about\/terms.asp","privacy_policy_url":"http:\/\/www.davisnet.com\/about\/privacy.asp","image":{"url":"http:\/\/www.weatherlink.com\/images\/Logo_Davis_reflxblu.jpg","title":"Davis WeatherLink","link":"http:\/\/www.weatherlink.com"},"suggested_pickup":"15 minutes after the hour","suggested_pickup_period":"60","dewpoint_c":"6.7","dewpoint_f":"44.0","dewpoint_string":"44.0 F (6.7 C)","heat_index_c":"7.2","heat_index_f":"45.0","heat_index_string":"45.0 F (7.2 C)","location":"Ely, England, UK","latitude":"52.40168","longitude":"0.26157","observation_time":"Last Updated on Jan 10 2018, 9:01 am GMT","observation_time_rfc822":"Wed, 10 Jan 2018 09:01:49 +0000","pressure_in":"29.569","pressure_mb":"1001.3","pressure_string":"1001.3 mb","relative_humidity":"96","station_id":"Prodata","temp_c":"6.9","temp_f":"44.5","temperature_string":"44.5 F (6.9 C)","wind_degrees":"206","wind_dir":"Southwest","wind_kt":"0.0","wind_mph":"0.0","windchill_c":"7.2","windchill_f":"45.0","windchill_string":"45.0 F (7.2 C)","davis_current_observation":{"DID":"001D0A00023B","station_name":"Ely-JGD","observation_age":18,"dewpoint_day_high_f":"44","dewpoint_day_high_time":"7:41am","dewpoint_day_low_f":"42","dewpoint_day_low_time":"12:00am","dewpoint_month_high_f":"50","dewpoint_month_low_f":"25","dewpoint_year_high_f":"50","dewpoint_year_low_f":"25","heat_index_day_high_f":"45","heat_index_day_high_time":"7:41am","heat_index_month_high_f":"52","heat_index_year_high_f":"52","pressure_day_high_in":"29.602","pressure_day_high_time":"12:00am","pressure_day_low_in":"29.540","pressure_day_low_time":"4:59am","pressure_month_high_in":"30.359","pressure_month_low_in":"29.015","pressure_tendency_string":"Rising Slowly","pressure_year_high_in":"30.359","pressure_year_low_in":"29.015","rain_day_in":"0.0000","rain_month_in":"0.5200","rain_rate_day_high_in_per_hr":"0.0000","rain_rate_hour_high_in_per_hr":"0.0000","rain_rate_in_per_hr":"0.0000","rain_rate_month_high_in_per_hr":"1.1300","rain_rate_year_high_in_per_hr":"1.1300","rain_storm_in":"0.0000","rain_year_in":"0.5200","relative_humidity_day_high":"96","relative_humidity_day_high_time":"7:35am","relative_humidity_day_low":"94","relative_humidity_day_low_time":"12:00am","relative_humidity_month_high":"97","relative_humidity_in":"34","relative_humidity_in_day_high":"36","relative_humidity_in_day_high_time":"6:13am","relative_humidity_in_day_low":"31","relative_humidity_in_day_low_time":"12:00am","relative_humidity_in_month_high":"52","relative_humidity_in_month_low":"25","relative_humidity_in_year_high":"52","relative_humidity_in_year_low":"25","sunrise":"8:04am","sunset":"4:16pm","temp_day_high_f":"44.5","temp_day_high_time":"7:41am","temp_day_low_f":"43.1","temp_day_low_time":"12:00am","temp_month_high_f":"51.0","temp_month_low_f":"29.8","temp_year_high_f":"51.0","temp_year_low_f":"29.8","temp_in_day_high_f":"67.1","temp_in_day_high_time":"9:00am","temp_in_day_low_f":"56.6","temp_in_day_low_time":"6:32am","temp_in_f":"67.1","temp_in_month_high_f":"70.3","temp_in_month_low_f":"52.4","temp_in_year_high_f":"70.3","temp_in_year_low_f":"52.4","wind_day_high_mph":"7.0","wind_day_high_time":"12:36am","wind_month_high_mph":"10.0","wind_ten_min_avg_mph":"0.0","wind_ten_min_gust_mph":"0.0","wind_year_high_mph":"10.0","windchill_day_low_f":"43","windchill_day_low_time":"12:00am","windchill_month_low_f":"30","windchill_year_low_f":"30"},"time_to_generate":"0.007430 seconds"}
Edit: Re-parsed version:{
"credit":"Davis Instruments Corp.",
"credit_URL":"
http://www.davisnet.com",
"disclaimer_url":"
http://www.davisnet.com/about/terms.asp",
"copyright_url":"
http://www.davisnet.com/about/terms.asp",
"privacy_policy_url":"
http://www.davisnet.com/about/privacy.asp",
"image":{
"url":"
http://www.weatherlink.com/images/Logo_Davis_reflxblu.jpg",
"title":"Davis WeatherLink",
"link":"
http://www.weatherlink.com"
},
"suggested_pickup":"15 minutes after the hour",
"suggested_pickup_period":"60",
"dewpoint_c":"6.7",
"dewpoint_f":"44.0",
"dewpoint_string":"44.0 F (6.7 C)",
"heat_index_c":"7.2",
"heat_index_f":"45.0",
"heat_index_string":"45.0 F (7.2 C)",
"location":"Ely, England, UK",
"latitude":"52.40168",
"longitude":"0.26157",
"observation_time":"Last Updated on Jan 10 2018, 9:01 am GMT",
"observation_time_rfc822":"Wed, 10 Jan 2018 09:01:49 +0000",
"pressure_in":"29.569",
"pressure_mb":"1001.3",
"pressure_string":"1001.3 mb",
"relative_humidity":"96",
"station_id":"Prodata",
"temp_c":"6.9",
"temp_f":"44.5",
"temperature_string":"44.5 F (6.9 C)",
"wind_degrees":"206",
"wind_dir":"Southwest",
"wind_kt":"0.0",
"wind_mph":"0.0",
"windchill_c":"7.2",
"windchill_f":"45.0",
"windchill_string":"45.0 F (7.2 C)",
"davis_current_observation":{
"DID":"001D0A00023B",
"station_name":"Ely-JGD",
"observation_age":18,
"dewpoint_day_high_f":"44",
"dewpoint_day_high_time":"7:41am",
"dewpoint_day_low_f":"42",
"dewpoint_day_low_time":"12:00am",
"dewpoint_month_high_f":"50",
"dewpoint_month_low_f":"25",
"dewpoint_year_high_f":"50",
"dewpoint_year_low_f":"25",
"heat_index_day_high_f":"45",
"heat_index_day_high_time":"7:41am",
"heat_index_month_high_f":"52",
"heat_index_year_high_f":"52",
"pressure_day_high_in":"29.602",
"pressure_day_high_time":"12:00am",
"pressure_day_low_in":"29.540",
"pressure_day_low_time":"4:59am",
"pressure_month_high_in":"30.359",
"pressure_month_low_in":"29.015",
"pressure_tendency_string":"Rising Slowly",
"pressure_year_high_in":"30.359",
"pressure_year_low_in":"29.015",
"rain_day_in":"0.0000",
"rain_month_in":"0.5200",
"rain_rate_day_high_in_per_hr":"0.0000",
"rain_rate_hour_high_in_per_hr":"0.0000",
"rain_rate_in_per_hr":"0.0000",
"rain_rate_month_high_in_per_hr":"1.1300",
"rain_rate_year_high_in_per_hr":"1.1300",
"rain_storm_in":"0.0000",
"rain_year_in":"0.5200",
"relative_humidity_day_high":"96",
"relative_humidity_day_high_time":"7:35am",
"relative_humidity_day_low":"94",
"relative_humidity_day_low_time":"12:00am",
"relative_humidity_month_high":"97",
"relative_humidity_in":"34",
"relative_humidity_in_day_high":"36",
"relative_humidity_in_day_high_time":"6:13am",
"relative_humidity_in_day_low":"31",
"relative_humidity_in_day_low_time":"12:00am",
"relative_humidity_in_month_high":"52",
"relative_humidity_in_month_low":"25",
"relative_humidity_in_year_high":"52",
"relative_humidity_in_year_low":"25",
"sunrise":"8:04am",
"sunset":"4:16pm",
"temp_day_high_f":"44.5",
"temp_day_high_time":"7:41am",
"temp_day_low_f":"43.1",
"temp_day_low_time":"12:00am",
"temp_month_high_f":"51.0",
"temp_month_low_f":"29.8",
"temp_year_high_f":"51.0",
"temp_year_low_f":"29.8",
"temp_in_day_high_f":"67.1",
"temp_in_day_high_time":"9:00am",
"temp_in_day_low_f":"56.6",
"temp_in_day_low_time":"6:32am",
"temp_in_f":"67.1",
"temp_in_month_high_f":"70.3",
"temp_in_month_low_f":"52.4",
"temp_in_year_high_f":"70.3",
"temp_in_year_low_f":"52.4",
"wind_day_high_mph":"7.0",
"wind_day_high_time":"12:36am",
"wind_month_high_mph":"10.0",
"wind_ten_min_avg_mph":"0.0",
"wind_ten_min_gust_mph":"0.0",
"wind_year_high_mph":"10.0",
"windchill_day_low_f":"43",
"windchill_day_low_time":"12:00am",
"windchill_month_low_f":"30",
"windchill_year_low_f":"30"
},
"time_to_generate":"0.007430 seconds"
}