Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 12%

03:08

18:54

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

Sun - Rise: 07:27, Set: 19:52, Transit: 13:40. Moon - Rise: 03:08, Set: 18:54. Civil Dark: 20:25 - 06:55. Nautical Dark: 21:04 - 06:16. Astro Dark: 21:44 - 05:36

Total Clouds (% Sky Obscured)

74
64
60
57
22
33
38
37
44
44
61
49
65
42
45
31
42
36
32
32
20
22
4
11

Low Clouds (% Sky Obscured)

51
64
55
27
20
30
36
35
44
44
61
49
65
42
45
31
42
36
32
32
19
19
3
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

17
16
16
16
16
15
15
14
14
14
14
15
17
19
20
21
22
23
24
24
23
22
20
19

Feels Like (°C)

18
17
17
16
16
16
15
15
15
14
15
16
18
19
21
21
22
23
24
23
23
24
22
21

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
13
13
13
12
12
11
10
10
11
10
11
12
13
13

Relative Humidity (%)

79
82
82
83
85
86
89
92
93
93
93
85
76
64
57
50
45
43
43
42
44
51
61
70

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1023
1022
1022
1022
1021
1021
1022
1022
1022

Ozone (du)

260
258
257
257
256
255
255
254
253
252
253
254
255
256
256
256
256
255
254
254
254
255
255
254

Thursday 18

Waning Crescent 6%

04:28

19:09

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

Sun - Rise: 07:29, Set: 19:50, Transit: 13:40. Moon - Rise: 04:28, Set: 19:09. Civil Dark: 20:23 - 06:56. Nautical Dark: 21:01 - 06:18. Astro Dark: 21:42 - 05:37

Total Clouds (% Sky Obscured)

9
7
3
4
4
12
17
10
26
48
55
42
19
32
32
25
6
61
69
71
21
14
73
99

Low Clouds (% Sky Obscured)

0
4
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
13
21
2
4
22

High Clouds (% Sky Obscured)

3
1
1
1
1
12
14
1
11
30
10
8
15
32
32
25
6
61
69
70
17
12
69
98

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
1
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 (%)

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)

3
3
3
4
5
5
6
6
7
7
8
9
11
12
12
13
13
13
12
12
10
9
9
9

Chance of Frost

Temperature (°C)

18
17
17
16
16
16
15
15
15
15
15
17
19
22
24
25
26
27
28
28
28
25
22
21

Feels Like (°C)

21
20
20
18
17
15
15
14
13
13
12
14
16
20
21
23
24
25
25
26
25
23
21
19

Dew Point (°C)

14
14
14
13
12
10
8
6
6
6
7
7
7
7
7
7
7
6
5
4
5
7
9
9

Relative Humidity (%)

79
82
82
81
75
68
60
54
53
55
57
53
44
38
34
30
28
25
23
21
23
31
41
46

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017
1018
1018

Ozone (du)

253
254
255
254
253
252
251
251
251
251
252
252
251
250
251
252
253
254
253
252
250
251
251
252

Friday 19

Waning Crescent 2%

05:44

19:22

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:30, Set: 19:48, Transit: 13:39. Moon - Rise: 05:44, Set: 19:22. Civil Dark: 20:20 - 06:58. Nautical Dark: 20:59 - 06:19. Astro Dark: 21:39 - 05:39

Total Clouds (% Sky Obscured)

82
95
100
100
100
87
100
91
60
89
94
99
100
100
100
67
71
79
83
72
67
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
26
23
0
11
14
15
20
26
45
65
84
67
51

Medium Clouds (% Sky Obscured)

3
68
71
83
86
81
99
61
39
45
58
91
89
85
90
67
71
79
83
28
13
14
47
98

High Clouds (% Sky Obscured)

75
84
100
89
100
64
100
76
24
73
85
98
99
100
100
14
15
10
15
33
55
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
2
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
Very Light Rain
None
None
None
None
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
1
1
11
9
20
36
13
4
46
81
95
65
23
27
28
28
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
1.4
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
10
10
11
11
11
12
11
11
12
13
14
12
12
13
14
12
11
9
11
11
10
10

Chance of Frost

Temperature (°C)

20
20
20
21
21
21
21
21
20
19
20
21
22
23
24
24
23
22
22
22
22
21
19
18

Feels Like (°C)

18
18
18
18
17
18
17
17
17
17
17
18
19
21
22
22
21
21
22
22
22
22
19
18

Dew Point (°C)

9
9
10
10
10
9
9
10
10
10
10
10
9
9
10
11
14
18
21
21
19
18
17
17

Relative Humidity (%)

47
48
50
50
49
47
46
49
50
55
55
50
43
40
41
43
56
80
95
94
81
84
89
92

Pressure (mb)

1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013

Ozone (du)

252
253
252
254
254
254
254
256
256
256
256
257
257
257
256
256
256
256
257
258
258
258
257
257

Saturday 20

Waning Crescent 0%

06:58

19:33

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:32, Set: 19:46, Transit: 13:39. Moon - Rise: 06:58, Set: 19:33. Civil Dark: 20:18 - 06:59. Nautical Dark: 20:57 - 06:21. Astro Dark: 21:36 - 05:41

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
90
86
72
82
79
78
77

Low Clouds (% Sky Obscured)

34
38
43
48
49
51
52
50
49
47
60
73
82
75
55
42
38
35
33
50
60
56
51
64

Medium Clouds (% Sky Obscured)

14
10
89
80
68
57
53
66
84
100
87
87
81
78
70
24
27
30
28
29
66
72
67
53

High Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
72
43
15
0
0
1
6
2

ISS Passover

Visibility (miles)

9
9
9
9
2
2
2
0
3
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
19
56
95
95
95
95
95
95
41
25
13
9
16
18
21
30
35
34
28
20
9
9
6

Precipitation Amount (mm)

0
0
0
0.6
1.6
2.1
2.2
3.5
1.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
9
8
8
9
7
7
7
6
5
5
6
8
7
7
8
8
8
9
7
5
5
6

Chance of Frost

Temperature (°C)

18
17
16
16
15
15
15
14
14
13
13
14
14
15
15
17
17
18
18
19
18
17
16
16

Feels Like (°C)

18
17
16
16
15
14
14
14
12
13
13
12
13
13
14
14
14
15
15
15
16
15
15
13

Dew Point (°C)

16
15
15
14
14
14
14
14
13
13
12
12
12
10
10
9
7
7
7
7
8
8
9
8

Relative Humidity (%)

92
90
90
89
93
95
98
98
95
96
93
92
83
72
72
59
51
48
46
47
53
57
60
61

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1015
1016
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

256
255
254
253
254
256
258
258
259
260
261
262
264
263
264
265
267
268
269
270
271
271
272
273

Sunday 21

New Moon 1%

08:10

19:44

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:33, Set: 19:44, Transit: 13:38. Moon - Rise: 08:10, Set: 19:44. Civil Dark: 20:16 - 07:01. Nautical Dark: 20:54 - 06:23. Astro Dark: 21:34 - 05:43

Total Clouds (% Sky Obscured)

76
74
70
62
64
70
75
83
91
100
54
37
36
43
55
60
64
76
88
85
79
73
80
87

Low Clouds (% Sky Obscured)

68
47
48
43
49
58
62
51
42
36
42
26
18
25
35
42
52
59
65
62
52
50
40
31

Medium Clouds (% Sky Obscured)

59
60
60
55
46
42
43
42
41
35
21
10
0
4
11
18
31
44
58
67
76
73
79
77

High Clouds (% Sky Obscured)

6
9
15
15
25
15
10
40
65
100
9
7
9
4
1
0
1
1
5
5
8
10
28
50

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
4
9
9
9
9
8
8
8
7
6
7
7
7
8
8
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
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

2
27
8
24
56
73
71
48
18
9
23
28
31
34
36
33
49
55
57
59
60
55
50
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
6
8
8
8
7
7
7
7
6
4
4
5
6
6
7
7
8
10
11
10
10
10

Chance of Frost

Temperature (°C)

16
15
14
14
13
13
12
12
12
12
12
12
13
15
16
17
19
18
18
18
17
15
13
13

Feels Like (°C)

13
13
13
12
12
11
12
12
12
12
11
11
12
13
13
13
13
19
19
18
18
18
18
11

Dew Point (°C)

9
8
9
10
10
10
11
11
11
10
10
10
10
11
11
10
10
10
10
10
11
11
12
11

Relative Humidity (%)

63
64
74
78
78
86
92
92
89
87
86
83
82
79
70
62
55
56
58
59
67
76
89
90

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1014
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1016
1016

Ozone (du)

272
274
273
276
276
276
279
281
284
285
287
288
289
290
290
290
291
294
296
299
301
303
305
306

Monday 22

Waxing Crescent 3%

09:21

19:56

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:35, Set: 19:41, Transit: 13:38. Moon - Rise: 09:21, Set: 19:56. Civil Dark: 20:14 - 07:03. Nautical Dark: 20:52 - 06:24. Astro Dark: 21:31 - 05:45

Total Clouds (% Sky Obscured)

95
95
92
91
88
90
88
80
73
66
60
68
83
89
92
94
89
82
74
60
47
34
36
32

Low Clouds (% Sky Obscured)

21
16
12
7
9
9
9
9
10
16
26
50
61
73
75
77
77
76
74
60
47
34
30
24

Medium Clouds (% Sky Obscured)

76
61
49
41
34
19
13
10
6
7
6
6
6
7
8
14
11
9
6
4
2
0
0
0

High Clouds (% Sky Obscured)

73
84
92
91
88
90
88
78
71
66
47
40
36
30
21
15
10
5
2
2
2
1
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

17
26
31
34
43
49
52
69
84
95
95
95
95
95
95
84
76
60
35
34
31
26
26
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.4
0.9
1.4
1.7
1.1
0.7
0.4
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
95
93
95
93
93
93
93
93
93
95
88
83
76
73
70
68
62
58
54
60
67
74
76

Pressure (mb)

1016
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015

Ozone (du)

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

Tuesday 23

Waxing Crescent 7%

10:32

20:09

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: 07:36, Set: 19:39, Transit: 13:38. Moon - Rise: 10:32, Set: 20:09. Civil Dark: 20:11 - 07:04. Nautical Dark: 20:50 - 06:26. Astro Dark: 21:29 - 05:46

Total Clouds (% Sky Obscured)

31
40
52
61
65
68
76
67
57
48
51
58
67
75
82
87

Low Clouds (% Sky Obscured)

23
34
40
45
48
49
52
45
40
34
25
19
17
36
54
69

Medium Clouds (% Sky Obscured)

0
0
1
2
17
32
48
45
43
40
34
27
22
38
56
70

High Clouds (% Sky Obscured)

1
1
1
2
2
3
4
4
4
4
3
2
2
2
2
2

ISS Passover

Visibility (miles)

9
9
9
8
8
8
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

Precipitation Type

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

Precipitation Probability (%)

25
28
28
23
26
28
28
26
25
10
13
12
7
21
29
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
5
4
4
4
4
4
4
4
5
6
7
8
10
11

Chance of Frost

Temperature (°C)

12
12
11
11
11
10
10
9
9
9
9
10
12
14
14
15

Feels Like (°C)

11
11
11
10
9
8
9
9
9
9
10
9
9
10
10
10

Dew Point (°C)

9
9
9
9
9
9
9
8
8
8
8
9
10
11
12
11

Relative Humidity (%)

80
81
86
88
90
90
91
91
93
93
93
90
87
84
83
79

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

316
316
316
316
316
316
317
318
318
319
319
320
320
320
320
321

Forecast for Denain, North, France (50.34,3.38)

Generated: 17/09/25 22:23:58. Forecast: 17/09/25 to 23/09/25. Timezone: UTC+2.00