Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

04:27

18:56

17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Good
07 Good
08 Good
09 Good
10 Good
11 OK
12 Bad
13 Bad
14 Bad
15 OK
16 OK

Sun - Rise: 07:30, Set: 19:54, Transit: 13:41. Moon - Rise: 04:27, Set: 18:56. Civil Dark: 20:26 - 06:57. Nautical Dark: 21:05 - 06:18. Astro Dark: 21:46 - 05:37

Total Clouds (% Sky Obscured)

76
69
64
49
25
30
40
40
46
34
37
46
86
10
1
4
5
2
24
55
89
100
15
38

Low Clouds (% Sky Obscured)

47
45
41
44
25
30
40
40
46
34
35
46
22
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
6
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
0
0
1
1
1
0
11
2
69
10
1
4
5
2
24
55
89
100
15
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
64
83
63
1
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
10
7
6
5
5
4
4
4
4
4
4
4
4
5
6
8
9
9
10
10
11
11

Chance of Frost

Temperature (°C)

21
21
21
19
18
17
17
16
16
16
15
15
15
15
15
15
16
19
21
23
25
27
28
29

Feels Like (°C)

19
20
20
20
19
19
19
18
17
17
17
15
16
15
15
16
16
16
19
20
22
23
24
24

Dew Point (°C)

10
11
13
14
14
14
14
14
13
14
13
13
13
13
13
13
12
8
6
6
6
6
5
4

Relative Humidity (%)

49
53
60
70
77
82
86
87
86
87
86
86
87
87
89
87
73
51
38
32
29
26
23
21

Pressure (mb)

1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1018

Ozone (du)

259
259
259
258
258
258
258
257
257
257
256
255
256
256
257
257
256
256
255
256
257
259
260
258

Friday 19

Waning Crescent 2%

05:45

19:11

17 Bad
18 Good
19 Bad
20 Good
21 OK
22 Good
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:31, Set: 19:51, Transit: 13:40. Moon - Rise: 05:45, Set: 19:11. Civil Dark: 20:24 - 06:59. Nautical Dark: 21:03 - 06:20. Astro Dark: 21:44 - 05:39

Total Clouds (% Sky Obscured)

60
8
67
12
23
6
46
76
83
91
62
100
100
78
98
100
99
50
47
25
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
73

Medium Clouds (% Sky Obscured)

0
0
42
7
10
2
22
39
39
68
62
86
60
53
83
34
55
50
47
25
60
63
76
100

High Clouds (% Sky Obscured)

60
8
11
1
13
2
16
44
69
76
43
100
100
55
93
100
98
24
23
25
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
7
3
0
11
1
0
6
64
75
39
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0

Wind Speed/Direction (mph)

11
9
6
6
6
6
7
7
7
6
6
7
7
7
8
8
9
10
12
13
15
13
12
15

Chance of Frost

Temperature (°C)

29
28
26
24
22
21
21
20
20
20
20
19
19
20
19
20
21
22
24
26
26
24
24
24

Feels Like (°C)

26
26
26
22
21
19
20
19
17
19
17
17
16
16
16
17
18
19
21
22
22
23
24
23

Dew Point (°C)

4
4
6
5
6
6
7
7
7
8
8
8
7
7
7
7
8
9
10
10
14
20
21
21

Relative Humidity (%)

20
21
26
29
33
37
39
41
43
45
46
46
44
43
44
44
45
41
41
37
48
77
83
82

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1010

Ozone (du)

257
256
256
256
256
255
254
254
253
252
251
252
253
254
254
255
256
256
255
255
254
256
257
259

Saturday 20

Waning Crescent 0%

06:59

19:23

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:33, Set: 19:49, Transit: 13:40. Moon - Rise: 06:59, Set: 19:23. Civil Dark: 20:22 - 07:00. Nautical Dark: 21:01 - 06:21. Astro Dark: 21:41 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
99
88
71
100
100
100
100
100
100
100
100
100
100
75
60
89
99
100
99
100
100

Low Clouds (% Sky Obscured)

61
57
58
67
66
68
50
44
41
31
32
43
48
31
45
50
52
60
66
61
53
50
47
43

Medium Clouds (% Sky Obscured)

86
52
61
30
41
35
83
78
66
53
79
59
41
0
0
0
0
8
50
90
89
33
90
87

High Clouds (% Sky Obscured)

100
100
100
93
55
4
96
99
100
100
100
100
100
100
100
100
75
60
85
87
98
93
100
100

ISS Passover

Visibility (miles)

9
9
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

51
62
41
59
64
7
3
4
11
1
0
0
0
0
1
1
2
3
7
8
5
17
33
54

Precipitation Amount (mm)

0
0.4
0.2
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5

Wind Speed/Direction (mph)

16
15
10
8
7
11
12
13
12
10
8
8
9
9
9
9
9
10
10
9
8
7
11
11

Chance of Frost

Temperature (°C)

24
24
22
22
20
19
17
17
16
15
14
14
14
13
13
13
13
15
16
17
18
19
18
17

Feels Like (°C)

22
22
21
21
21
18
16
14
13
13
13
12
12
12
11
11
11
14
17
16
17
17
15
14

Dew Point (°C)

20
19
18
18
17
17
15
12
12
13
13
12
12
11
10
10
10
10
9
7
7
5
7
10

Relative Humidity (%)

80
75
74
77
84
85
85
75
80
86
90
90
87
84
84
84
80
71
62
52
46
41
48
63

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

261
260
261
262
263
265
267
268
270
272
273
274
273
274
275
276
277
278
278
278
278
278
279
280

Sunday 21

New Moon 1%

08:11

19:34

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:34, Set: 19:47, Transit: 13:40. Moon - Rise: 08:11, Set: 19:34. Civil Dark: 20:20 - 07:02. Nautical Dark: 20:58 - 06:23. Astro Dark: 21:39 - 05:43

Total Clouds (% Sky Obscured)

89
76
64
52
43
36
34
32
34
37
38
43
47
48
52
58
66
75
83
90
96
97
99
100

Low Clouds (% Sky Obscured)

46
49
51
44
36
29
27
25
23
26
30
33
38
42
46
49
51
54
52
51
49
47
45
43

Medium Clouds (% Sky Obscured)

73
76
64
52
4
4
4
4
5
11
18
43
47
48
45
48
23
26
34
49
58
57
58
56

High Clouds (% Sky Obscured)

77
53
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
67
100

ISS Passover

Visibility (miles)

4
5
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

63
60
43
31
15
7
10
13
8
10
8
8
16
20
17
17
15
7
11
14
12
26
29
31

Precipitation Amount (mm)

0.5
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
9
8
6
5
5
5
4
4
4
3
4
4
4
5
7
8
10
9
9
9
9

Chance of Frost

Temperature (°C)

17
16
14
13
13
12
12
12
11
11
11
10
10
10
10
10
11
12
13
14
15
16
17
17

Feels Like (°C)

14
12
11
10
9
10
9
9
9
9
9
9
8
8
7
7
8
9
10
11
11
13
13
12

Dew Point (°C)

10
11
10
9
9
9
8
8
7
6
6
6
6
6
6
6
6
7
8
7
6
5
4
3

Relative Humidity (%)

65
72
76
77
77
77
77
76
75
73
73
73
76
76
77
76
72
71
69
61
54
48
42
40

Pressure (mb)

1013
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

281
284
287
291
290
290
291
293
294
295
296
299
302
303
305
307
309
308
308
309
309
309
310
312

Monday 22

Waxing Crescent 3%

09:22

19:45

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:36, Set: 19:45, Transit: 13:39. Moon - Rise: 09:22, Set: 19:45. Civil Dark: 20:17 - 07:03. Nautical Dark: 20:56 - 06:25. Astro Dark: 21:36 - 05:45

Total Clouds (% Sky Obscured)

100
94
77
62
48
36
30
27
26
32
42
46
38
29
37
98
96
89
92
91
88
91
94
96

Low Clouds (% Sky Obscured)

38
34
29
33
35
36
30
27
26
32
42
44
33
19
10
42
43
42
55
69
82
88
91
96

Medium Clouds (% Sky Obscured)

51
48
41
34
25
18
17
17
17
25
32
42
31
21
8
68
62
61
47
37
33
29
20
15

High Clouds (% Sky Obscured)

89
77
63
44
23
5
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
28
53
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

32
27
10
21
19
3
9
11
4
9
10
1
3
2
0
34
32
27
27
26
24
27
27
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
10
10
9
9
9
8
8
8
8
8
7
7
9
10
11
12
12
13
13
13

Chance of Frost

Temperature (°C)

16
15
14
13
12
11
11
10
10
10
9
9
9
9
9
10
12
13
14
15
16
16
16
16

Feels Like (°C)

11
11
10
10
9
9
9
9
8
9
8
8
8
8
8
8
9
9
9
10
10
11
14
13

Dew Point (°C)

3
4
4
6
6
6
6
6
6
5
5
5
5
5
4
5
5
4
4
4
4
4
5
6

Relative Humidity (%)

42
46
49
61
66
70
72
72
74
74
76
77
77
75
74
69
63
56
49
46
45
43
48
51

Pressure (mb)

1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1020

Ozone (du)

313
313
314
315
313
311
310
308
307
307
307
307
306
306
307
308
309
311
313
314
315
315
314
312

Tuesday 23

Waxing Crescent 7%

10:34

19:56

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:38, Set: 19:42, Transit: 13:39. Moon - Rise: 10:34, Set: 19:56. Civil Dark: 20:15 - 07:05. Nautical Dark: 20:54 - 06:26. Astro Dark: 21:34 - 05:47

Total Clouds (% Sky Obscured)

97
98
100
98
96
93
94
95
95
88
82
73
71
67
69
69
80
89
96
99
100
100
100
100

Low Clouds (% Sky Obscured)

92
80
67
69
68
64
61
59
62
44
26
8
8
17
32
50
74
80
70
64
59
47
36
24

Medium Clouds (% Sky Obscured)

15
15
20
25
25
25
29
29
28
25
17
11
13
4
4
0
5
5
10
14
14
13
8
8

High Clouds (% Sky Obscured)

87
93
100
69
37
6
8
8
10
10
15
20
40
60
69
69
80
84
89
96
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

57
69
73
74
90
95
95
94
90
74
55
21
25
21
1
4
4
1
4
5
5
9
15
20

Precipitation Amount (mm)

0.4
0.6
0.6
0.6
1
1.8
1.4
1.1
1
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
11
11
10
10
10
9
9
9
9
8
8
8
8
7
8
9
9
10
10
10
10

Chance of Frost

Temperature (°C)

16
15
15
14
13
13
13
12
12
12
11
10
10
9
9
9
11
12
13
14
15
16
16
16

Feels Like (°C)

12
12
13
12
10
10
10
10
11
10
7
7
7
7
7
6
5
6
6
6
7
7
11
10

Dew Point (°C)

7
8
8
8
7
7
7
6
6
6
5
5
4
4
4
4
4
3
3
2
2
1
1
1

Relative Humidity (%)

56
60
63
68
66
66
65
65
66
66
67
68
69
69
70
70
62
54
48
44
41
36
36
36

Pressure (mb)

1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

311
310
309
308
307
305
303
302
301
300
300
301
301
302
303
305
305
306
306
307
307
307
307
306

Wednesday 24

Waxing Crescent 13%

11:47

20:09

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:39, Set: 19:40, Transit: 13:38. Moon - Rise: 11:47, Set: 20:09. Civil Dark: 20:13 - 07:06. Nautical Dark: 20:51 - 06:28. Astro Dark: 21:31 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
84
70
62
72
83
86
90
92
94

Low Clouds (% Sky Obscured)

27
30
35
33
31
28
19
9
0
0
0
0
10
21
31
44
57
66
68
70
65

Medium Clouds (% Sky Obscured)

4
5
10
25
35
40
36
24
17
11
5
0
0
0
0
0
0
0
0
1
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
84
70
62
57
56
40
35
35
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
31
32
29
25
6
9
9
2
4
4
2
4
3
1
1
1
0
1
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
9
7
6
6
6
7
7
8
7
7
7
6
7
7
7
8
9
11
11
12

Chance of Frost

Temperature (°C)

17
16
15
14
13
12
12
11
11
10
10
10
9
9
9
9
10
12
14
15
17

Feels Like (°C)

10
10
10
11
8
8
9
9
9
8
6
6
7
7
6
6
6
7
8
8
9

Dew Point (°C)

1
2
3
3
4
4
5
6
6
6
7
7
7
7
7
7
6
6
6
5
4

Relative Humidity (%)

35
39
44
49
53
58
63
67
72
76
80
81
85
85
87
87
76
67
60
51
44

Pressure (mb)

1020
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

305
305
304
303
303
302
302
303
303
304
304
304
305
304
304
304
304
304
304
304
304

Forecast for Roncq, North, France (50.75,3.12)

Generated: 18/09/25 17:17:42. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00