Roy (Luxembourg) — Weather
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18°C65°F· Overcast · 93% cloud cover
Feels like 16°C61°F · Low 13°C55°F · High 19°C67°F
Wind
9 km/h2 m/s5 mph from N
Humidity
51%
Pressure
1021 hPa30.15 inHgstable
UV Index
2.2Moderate
Fair weather
Roy, 18°C64°F — overcast right now.
🌧️ Long-range outlook (in 8 days): Wet period, moderate-intensity Monday–Tuesday, with rain. Total ~12.0 mm. Peak Tuesday (6.9 mm). Below the monthly normal (80 mm/month). Confidence drops at this range — details may shift before then.
🌡️ Today's 19°C66°F is 3.0°C32°F warmer than the July norm (16°C61°F).
Hourly forecast
Detailed forecast for the next 60 hours
TemperaturePrecipitationWind
CAPE (J/kg)Instability Threshold
Now
18°C65°F
95
51
16:00
19°C66°F
127
49
17:00
19°C67°F
117
46
18:00
19°C67°F
149
42
19:00
19°C65°F
159
43
20:00
18°C64°F
117
46
21:00
16°C61°F
107
48
22:00
14°C58°F
85
56
23:00
13°C55°F
43
64
00:00
12°C53°F
53
68
01:00
11°C52°F
53
71
02:00
10°C50°F
32
76
03:00
10°C50°F
32
78
04:00
9°C49°F
11
79
05:00
9°C48°F
11
81
06:00
9°C48°F
11
83
07:00
9°C49°F
32
83
08:00
12°C53°F
32
77
09:00
13°C56°F
74
71
10:00
15°C59°F
74
64
11:00
16°C60°F
138
57
12:00
17°C63°F
138
51
13:00
18°C65°F
128
44
14:00
19°C65°F
127
43
15:00
19°C67°F
138
42
16:00
19°C66°F
149
39
17:00
20°C67°F
159
40
18:00
19°C67°F
138
42
19:00
19°C66°F
138
44
20:00
18°C65°F
117
46
21:00
17°C62°F
74
53
22:00
15°C60°F
53
62
23:00
14°C58°F
42
68
00:00
14°C58°F
32
69
03:00
12°C53°F
43
82
06:00
10°C50°F
53
87
09:00
15°C59°F
64
70
12:00
19°C66°F
149
52
15:00
21°C69°F
159
44
18:00
21°C70°F
148
35
21:00
18°C65°F
64
47
00:00
14°C58°F
74
59
03:00
12°C53°F
10
84
mminkm/hm/smphHumidity %
Daily Forecast
TodayN 15 km/h4 m/s9 mph(gusts 351022)49%UV 310hTodayDrizzle49%N 15 km/h4 m/s9 mph (gusts 351022)UV 310h
Today
N 15 km/h4 m/s9 mph(gusts 351022)49%UV 310h
Today
Drizzle
49%
N 15 km/h4 m/s9 mph (gusts 351022)
UV 3
10h
Today — Hourly Forecast
Now
18°C65°F
925
16:00
19°C66°F
1237
17:00
19°C67°F
1137
18:00
19°C67°F
1449
19:00
19°C65°F
1549
20:00
18°C64°F
1137
21:00
16°C61°F
1037
22:00
14°C58°F
825
23:00
13°C55°F
413
05:5015.8h21:39
TomorrowN 15 km/h4 m/s9 mph(gusts 361022)61%UV 210hTomorrowOvercast61%N 15 km/h4 m/s9 mph (gusts 361022)UV 210h
Tomorrow
N 15 km/h4 m/s9 mph(gusts 361022)61%UV 210h
Tomorrow
Overcast
61%
N 15 km/h4 m/s9 mph (gusts 361022)
UV 2
10h
Tomorrow — Hourly Forecast
00:00
12°C53°F
513
01:00
11°C52°F
513
02:00
10°C50°F
312
03:00
10°C50°F
312
04:00
9°C49°F
101
05:00
9°C48°F
101
06:00
9°C48°F
101
07:00
9°C49°F
312
08:00
12°C53°F
312
09:00
13°C56°F
724
10:00
15°C59°F
724
11:00
16°C60°F
1348
12:00
17°C63°F
1348
13:00
18°C65°F
1238
14:00
19°C65°F
1237
15:00
19°C67°F
1348
16:00
19°C66°F
1449
17:00
20°C67°F
1549
18:00
19°C67°F
1348
19:00
19°C66°F
1348
20:00
18°C65°F
1137
21:00
17°C62°F
724
22:00
15°C60°F
513
23:00
14°C58°F
412
05:5115.8h21:38
TuesdayNE 15 km/h4 m/s10 mph(gusts 361022)61%UV 212hTuesdayOvercast61%NE 15 km/h4 m/s10 mph (gusts 361022)UV 212h
Tuesday
NE 15 km/h4 m/s10 mph(gusts 361022)61%UV 212h
Tuesday
Overcast
61%
NE 15 km/h4 m/s10 mph (gusts 361022)
UV 2
12h
Tuesday — Forecast Overview
00:00
14°C58°F
312
03:00
12°C53°F
413
06:00
10°C50°F
513
09:00
15°C59°F
624
12:00
19°C66°F
1449
15:00
21°C69°F
1549
18:00
21°C70°F
1448
21:00
18°C65°F
624
05:5215.7h21:37
WednesdayNW 18 km/h5 m/s11 mph(gusts 401125)66%UV 29hWednesdayOvercast66%NW 18 km/h5 m/s11 mph (gusts 401125)UV 29h
Wednesday
NW 18 km/h5 m/s11 mph(gusts 401125)66%UV 29h
Wednesday
Overcast
66%
NW 18 km/h5 m/s11 mph (gusts 401125)
UV 2
9h
Wednesday — Forecast Overview
00:00
14°C58°F
724
03:00
12°C53°F
100
06:00
10°C50°F
101
09:00
14°C58°F
825
12:00
18°C64°F
1449
15:00
24°C75°F
1549
18:00
23°C73°F
18511
21:00
19°C67°F
15410
05:5315.7h21:35
ThursdayN 22 km/h6 m/s13 mph(gusts 411226)68%UV 212hThursdayDrizzle68%N 22 km/h6 m/s13 mph (gusts 411226)UV 212h
Thursday
N 22 km/h6 m/s13 mph(gusts 411226)68%UV 212h
Thursday
Drizzle
68%
N 22 km/h6 m/s13 mph (gusts 411226)
UV 2
12h
Thursday — Forecast Overview
00:00
13°C55°F
725
03:00
10°C50°F
513
06:00
11°C52°F
513
09:00
13°C55°F
825
12:00
16°C61°F
1237
15:00
21°C70°F
1237
18:00
23°C73°F
22613
21:00
17°C63°F
724
05:5515.7h21:34
FridayNW 11 km/h3 m/s7 mph(gusts 30819)68%UV 29hFridayPartly cloudy68%NW 11 km/h3 m/s7 mph (gusts 30819)UV 29h
Friday
NW 11 km/h3 m/s7 mph(gusts 30819)68%UV 29h
Friday
Partly cloudy
68%
NW 11 km/h3 m/s7 mph (gusts 30819)
UV 2
9h
Night11°C51°F
11°C51°FMorning10°C49°F
10°C49°FAfternoon22°C71°F
22°C71°FEvening17°C62°F
17°C62°F05:5615.6h21:33
SaturdayW 17 km/h5 m/s10 mph(gusts 421226)62%UV 26hSaturdayOvercast62%W 17 km/h5 m/s10 mph (gusts 421226)UV 26h
Saturday
W 17 km/h5 m/s10 mph(gusts 421226)62%UV 26h
Saturday
Overcast
62%
W 17 km/h5 m/s10 mph (gusts 421226)
UV 2
6h
Night14°C57°F
14°C57°FMorning22°C71°F
22°C71°FAfternoon22°C71°F
22°C71°FEvening21°C69°F
21°C69°F05:5715.6h21:32
Sunday0.8 mm0.03 inW 14 km/h4 m/s8 mph(gusts 351022)68%UV 26hSundayLight rain68%W 14 km/h4 m/s8 mph (gusts 351022)0.8 mm0.03 inUV 26h
Sunday
0.8 mm0.03 inW 14 km/h4 m/s8 mph(gusts 351022)68%UV 26h
Sunday
Light rain
68%
W 14 km/h4 m/s8 mph (gusts 351022)
0.8 mm0.03 in
UV 2
6h
Night15°C59°F
15°C59°FMorning19°C66°F
19°C66°FAfternoon19°C66°F
19°C66°FEvening18°C64°F
18°C64°F05:5915.5h21:30
Extended Forecast (GFS)Monday5.1 mm0.20 in· heavySW 17 km/h5 m/s11 mph(gusts 33920)85%15hMondayLight rain85%SW 17 km/h5 m/s11 mph (gusts 33920)5.1 mm0.20 in15h
Monday
5.1 mm0.20 in· heavySW 17 km/h5 m/s11 mph(gusts 33920)85%15h
Monday
Light rain
85%
SW 17 km/h5 m/s11 mph (gusts 33920)
5.1 mm0.20 in
15h
Night13°C55°F
13°C55°FMorning18°C65°F
18°C65°FAfternoon18°C65°F
18°C65°FEvening15°C60°F
15°C60°F06:0015.5h21:29
Tuesday6.9 mm0.27 in· heavyN 21 km/h6 m/s13 mph86%13hTuesdayLight rain86%N 21 km/h6 m/s13 mph6.9 mm0.27 in13h
Tuesday
6.9 mm0.27 in· heavyN 21 km/h6 m/s13 mph86%13h
Tuesday
Light rain
86%
N 21 km/h6 m/s13 mph
6.9 mm0.27 in
13h
Night13°C56°F
13°C56°FMorning14°C58°F
14°C58°FAfternoon14°C58°F
14°C58°FEvening17°C63°F
17°C63°F06:0115.4h21:28
WednesdayNW 15 km/h4 m/s9 mph71%15hWednesdayClear71%NW 15 km/h4 m/s9 mph15h
Wednesday
NW 15 km/h4 m/s9 mph71%15h
Wednesday
Clear
71%
NW 15 km/h4 m/s9 mph
15h
Night11°C52°F
11°C52°FMorning17°C63°F
17°C63°FAfternoon17°C63°F
17°C63°FEvening21°C69°F
21°C69°F06:0315.4h21:26
ThursdaySW 14 km/h4 m/s9 mph62%15hThursdayClear62%SW 14 km/h4 m/s9 mph15h
Thursday
SW 14 km/h4 m/s9 mph62%15h
Thursday
Clear
62%
SW 14 km/h4 m/s9 mph
15h
Night12°C54°F
12°C54°FMorning22°C72°F
22°C72°FAfternoon22°C72°F
22°C72°FEvening24°C75°F
24°C75°F06:0415.3h21:25
Friday1.2 mm0.05 inSW 18 km/h5 m/s11 mph(gusts 371023)84%15hFridayLight rain84%SW 18 km/h5 m/s11 mph (gusts 371023)1.2 mm0.05 in15h
Friday
1.2 mm0.05 inSW 18 km/h5 m/s11 mph(gusts 371023)84%15h
Friday
Light rain
84%
SW 18 km/h5 m/s11 mph (gusts 371023)
1.2 mm0.05 in
15h
Night16°C61°F
16°C61°FMorning18°C64°F
18°C64°FAfternoon18°C64°F
18°C64°FEvening18°C65°F
18°C65°F06:0515.3h21:23
SaturdaySW 25 km/h7 m/s16 mph(gusts 421226)62%15hSaturdayDrizzle62%SW 25 km/h7 m/s16 mph (gusts 421226)15h
Saturday
SW 25 km/h7 m/s16 mph(gusts 421226)62%15h
Saturday
Drizzle
62%
SW 25 km/h7 m/s16 mph (gusts 421226)
15h
Night11°C52°F
11°C52°FMorning22°C72°F
22°C72°FAfternoon22°C72°F
22°C72°FEvening21°C69°F
21°C69°F06:0715.2h21:22
SundayW 19 km/h5 m/s12 mph(gusts 34921)62%15hSundayClear62%W 19 km/h5 m/s12 mph (gusts 34921)15h
Sunday
W 19 km/h5 m/s12 mph(gusts 34921)62%15h
Sunday
Clear
62%
W 19 km/h5 m/s12 mph (gusts 34921)
15h
Night17°C62°F
17°C62°FMorning21°C69°F
21°C69°FAfternoon21°C69°F
21°C69°FEvening21°C70°F
21°C70°F06:0815.2h21:20
MondayNE 11 km/h3 m/s7 mph(gusts 23715)52%15hMondayClear52%NE 11 km/h3 m/s7 mph (gusts 23715)15h
Monday
NE 11 km/h3 m/s7 mph(gusts 23715)52%15h
Monday
Clear
52%
NE 11 km/h3 m/s7 mph (gusts 23715)
15h
Night11°C51°F
11°C51°FMorning23°C73°F
23°C73°FAfternoon23°C73°F
23°C73°FEvening25°C76°F
25°C76°F06:1015.1h21:18
Sunrise
05:50
Civil Dawn 05:20
Sunset
21:39
Civil Dusk 22:09
Today vs. seasonal normal
-2.3°C-4.2°F
Roy is located in Wallonia, Belgium. Elevation: 373m. Annual average temperature: 9°C. Annual precipitation: 893mm.
Frequently Asked Questions
What is the weather like in Roy today?
Today in Roy, Belgium, the temperature is 18°C with Overcast. The high is 19°C and the low is 13°C.
What is the 16-day forecast for Roy?
The 16-day forecast for Roy shows the warmest day is Monday at 29°C, while the coolest night is Monday at 9°C. 7 day(s) have precipitation expected.
What time is sunrise and sunset in Roy?
In Roy, sunrise is at 05:50 and sunset is at 21:39. Day length is approximately 15h 49m.
How accurate is the weather forecast for Roy?
Our forecasts for Roy use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Roy has an annual average temperature of 9°C and receives 893mm of precipitation per year.
Last updated: 07/19/2026, 03:00 PM
July climate in Roy
Normals for July: average 17°C (12–22°C), around 80 mm of rain across the month. About 8°C warmer than the annual average of 9°C.
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