Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

04:18

18:56

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

Sun - Rise: 07:25, Set: 19:49, Transit: 13:36. Moon - Rise: 04:18, Set: 18:56. Civil Dark: 20:23 - 06:51. Nautical Dark: 21:04 - 06:11. Astro Dark: 21:46 - 05:28

Total Clouds (% Sky Obscured)

99
100
98
95
86
90
88
59
68
43
61
46
54
34
23
49
38
31
26
27
17
41
24
17

Low Clouds (% Sky Obscured)

99
87
85
82
73
82
77
49
54
42
32
16
0
3
23
32
36
31
26
18
11
41
24
17

Medium Clouds (% Sky Obscured)

39
36
29
39
19
23
22
20
26
0
0
0
0
2
3
16
1
3
2
7
6
2
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
1
29
26
54
34
11
13
10
5
2
3
9
1
1
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
2
1
0
0
2
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)

16
16
17
17
18
17
18
17
17
15
14
14
14
13
13
13
12
11
11
10
10
9
8
7

Chance of Frost

Temperature (°C)

18
19
19
19
20
20
21
20
20
19
19
18
18
18
18
17
17
17
16
16
16
15
15
17

Feels Like (°C)

16
16
16
16
17
17
17
17
18
18
18
18
17
17
16
16
16
16
16
16
16
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
86
85
79
74
72
74
78
81
82
82
83
83
85
85
85
87
86
86
87
87
81

Pressure (mb)

1019
1020
1020
1020
1020
1020
1021
1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

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

Friday 19

Waning Crescent 6%

05:37

19:09

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

Sun - Rise: 07:26, Set: 19:47, Transit: 13:36. Moon - Rise: 05:37, Set: 19:09. Civil Dark: 20:21 - 06:53. Nautical Dark: 21:01 - 06:12. Astro Dark: 21:43 - 05:30

Total Clouds (% Sky Obscured)

12
5
5
96
91
100
100
97
91
34
59
23
46
19
31
79
86
94
12
68
100
97
93
98

Low Clouds (% Sky Obscured)

11
0
0
0
0
0
0
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
2
0
1
30
39
13
42
19
25
48
52
84
12
68
63
70
56
41

High Clouds (% Sky Obscured)

2
5
5
88
86
100
100
95
86
28
10
4
2
1
6
79
86
80
1
18
100
91
72
92

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
0
1
0
0
0
0
0
2
0
0
0
9

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)

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

Chance of Frost

Temperature (°C)

18
20
22
24
25
26
26
26
26
24
23
22
21
20
20
19
19
19
18
18
18
18
18
19

Feels Like (°C)

19
21
22
23
24
25
23
24
25
25
22
22
20
19
18
18
18
18
16
17
17
16
16
18

Dew Point (°C)

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

Relative Humidity (%)

75
67
61
51
44
41
39
39
41
45
48
49
50
49
51
54
54
56
57
59
61
62
63
61

Pressure (mb)

1022
1022
1021
1021
1020
1020
1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013

Ozone (du)

256
256
255
254
253
253
254
255
254
255
255
255
254
254
254
254
254
255
255
255
254
253
252
253

Saturday 20

Waning Crescent 2%

06:53

19:20

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 07:28, Set: 19:45, Transit: 13:35. Moon - Rise: 06:53, Set: 19:20. Civil Dark: 20:18 - 06:54. Nautical Dark: 20:59 - 06:14. Astro Dark: 21:41 - 05:32

Total Clouds (% Sky Obscured)

98
60
100
100
100
78
54
100
100
100
100
100
100
100
100
93
68
88
84
83
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
51
68
85
81
49
55
75
100
84
49
60
34
37
49
50
54
60

Medium Clouds (% Sky Obscured)

56
56
76
27
20
78
54
54
82
71
44
38
0
11
40
73
19
86
76
32
62
43
77
28

High Clouds (% Sky Obscured)

96
30
100
100
100
3
0
100
100
100
100
100
100
98
41
45
55
49
70
54
100
100
82
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
4
4
9
9
9
9
9
9
9
9
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
1
0
3
30
95
95
95
95
93
30
2
25
33
44
61
31
4
1
12
14
14
6

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
1.7
1
0.8
1.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
9
10
11
13
15
12
3
6
7
7
8
9
9
11
14
15
16
18
16
16
15
16

Chance of Frost

Temperature (°C)

20
22
23
24
25
25
25
24
22
20
19
19
19
19
19
19
19
18
17
16
16
15
15
15

Feels Like (°C)

20
20
21
22
23
23
22
23
23
20
19
19
18
19
19
18
17
15
15
12
12
12
11
12

Dew Point (°C)

12
12
11
12
13
15
19
23
21
19
18
18
18
18
18
17
17
16
15
13
13
12
12
12

Relative Humidity (%)

58
53
46
45
47
53
70
91
94
93
92
92
92
92
92
90
88
90
87
82
82
80
80
78

Pressure (mb)

1013
1013
1012
1012
1011
1011
1011
1010
1009
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011

Ozone (du)

253
253
253
252
252
252
254
253
254
256
258
259
259
260
260
260
259
261
261
262
265
267
269
270

Sunday 21

New Moon 0%

08:07

19:29

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 07:30, Set: 19:42, Transit: 13:35. Moon - Rise: 08:07, Set: 19:29. Civil Dark: 20:16 - 06:56. Nautical Dark: 20:56 - 06:16. Astro Dark: 21:38 - 05:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
89
83
82
80
73
69
60
50
35
29
22
33
39

Low Clouds (% Sky Obscured)

66
62
58
55
53
58
54
49
44
36
44
53
62
54
47
38
40
41
42
35
29
22
31
37

Medium Clouds (% Sky Obscured)

48
41
40
37
40
100
100
96
92
88
87
84
83
28
29
25
21
12
2
1
0
1
13
13

High Clouds (% Sky Obscured)

53
55
61
63
71
73
79
66
95
100
68
33
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
9
9
9
8
8
8
7
8
8
8
8
8
8

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

Precipitation Probability (%)

3
11
13
4
9
7
3
10
24
40
33
32
30
53
52
51
58
54
36
37
35
35
39
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0.3
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

16
16
16
16
16
14
11
11
8
9
7
7
8
7
7
7
7
7
7
7
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
12
13
14
14
14
14
13
13
13
12
12
12
12
12
11
11
11
13
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

73
69
66
60
57
56
58
57
58
65
73
76
82
83
84
86
87
86
84
84
86
84
83
77

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

270
270
271
271
272
273
275
276
276
276
279
280
282
286
287
288
288
288
289
291
292
293
294
295

Monday 22

Waxing Crescent 1%

09:20

19:39

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

Sun - Rise: 07:31, Set: 19:40, Transit: 13:35. Moon - Rise: 09:20, Set: 19:39. Civil Dark: 20:14 - 06:58. Nautical Dark: 20:54 - 06:18. Astro Dark: 21:35 - 05:36

Total Clouds (% Sky Obscured)

46
70
70
79
70
72
65
65
52
47
39
29
14
43
71
98
90
82
74
78
84
90
89
84

Low Clouds (% Sky Obscured)

43
49
53
59
61
61
61
52
46
42
30
18
14
19
20
19
10
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

17
54
48
56
46
42
37
44
18
28
36
29
14
43
39
52
42
25
8
4
0
0
0
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
4
0
0
0
0
0
0
0
0
0
7
14

ISS Passover

Visibility (miles)

9
9
9
6
5
4
5
4
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
46
62
84
90
95
81
69
61
36
8
9
9
18
15
14
23
24
26
24
19
13
26
34

Precipitation Amount (mm)

0
0
0.3
0.6
0.7
0.8
0.6
0.4
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
16
16
16
16
16
16
16
15
14
14
13
12
12
12
12
12
12
12
12
12
12
13

Feels Like (°C)

14
15
15
16
17
18
17
16
14
14
12
11
10
11
10
10
10
10
10
10
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

73
68
65
67
72
72
72
72
78
80
79
76
75
75
73
75
75
72
70
69
65
62
58
58

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

296
299
303
306
308
307
306
307
307
307
309
311
311
309
306
306
306
306
305
305
305
305
305
306

Tuesday 23

Waxing Crescent 3%

No Rise

19:48

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 07:33, Set: 19:38, Transit: 13:34. Moon - Rise: No Rise, Set: 19:48. Civil Dark: 20:11 - 06:59. Nautical Dark: 20:51 - 06:20. Astro Dark: 21:33 - 05:38

Total Clouds (% Sky Obscured)

75
77
84
94
91
88
82
88
94
100
97
94
90
89
87
86
81
80
70
67
68
70
77
81

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
6
23
40
57
55
51
51
35
20
3
24
45
55
55
56
61
61
63

Medium Clouds (% Sky Obscured)

12
35
47
50
50
50
50
50
50
50
51
48
40
44
47
50
50
50
60
65
65
65
70
70

High Clouds (% Sky Obscured)

22
48
74
94
91
88
82
85
75
70
37
18
0
21
54
86
81
80
70
67
68
70
77
81

ISS Passover

Visibility (miles)

9
9
9
8
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
7
7

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

Precipitation Probability (%)

40
51
56
56
59
60
58
76
92
95
95
95
95
90
68
24
28
29
25
28
30
34
35
35

Precipitation Amount (mm)

0
0.2
0.3
0.2
0.2
0
0
0.3
0.6
1
0.8
0.9
1
0.7
0.4
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
9
9
9
10
10
10
10
8
6
5
4
5
6
6
6
7
7
7
8
8
8
8
8

Chance of Frost

Temperature (°C)

13
14
14
14
14
14
14
14
14
14
13
13
13
14
13
13
13
12
12
12
12
11
11
12

Feels Like (°C)

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

Dew Point (°C)

5
6
6
7
8
7
6
5
4
4
3
3
5
6
6
5
6
6
5
5
6
6
7
7

Relative Humidity (%)

57
56
59
62
64
60
56
52
51
50
49
51
55
58
60
60
62
63
63
64
67
71
76
70

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022

Ozone (du)

306
306
306
306
305
306
306
307
306
306
306
307
308
309
308
307
307
307
307
307
306
305
304
303

Wednesday 24

Waxing Crescent 7%

10:33

20:00

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
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

Sun - Rise: 07:34, Set: 19:35, Transit: 13:34. Moon - Rise: 10:33, Set: 20:00. Civil Dark: 20:09 - 07:01. Nautical Dark: 20:49 - 06:21. Astro Dark: 21:30 - 05:40

Total Clouds (% Sky Obscured)

91
88
85
82
78
74
62
60
63
65
63
60
58
61
59
62
62
71
76
85
90
95

Low Clouds (% Sky Obscured)

62
65
69
71
73
74
62
60
63
65
63
60
58
61
59
62
62
71
76
76
77
73

Medium Clouds (% Sky Obscured)

69
70
70
70
65
60
60
55
35
25
25
30
35
35
35
40
35
40
35
29
19
18

High Clouds (% Sky Obscured)

91
88
85
82
78
74
62
60
52
35
26
27
46
46
45
45
42
39
40
49
42
44

ISS Passover

Visibility (miles)

8
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

Precipitation Type

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

Precipitation Probability (%)

34
39
37
22
48
56
55
52
58
62
64
52
32
40
42
34
48
57
58
57
54
47

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0
0
0
0
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
15
16
15
15
15
14
14
13
13
13
13
13
12
12
12
12
12
12
11

Feels Like (°C)

11
11
11
11
11
14
13
12
12
12
13
11
11
12
12
12
12
11
12
12
12
12

Dew Point (°C)

6
6
6
5
4
5
6
6
6
7
8
7
7
7
7
6
6
6
6
6
6
6

Relative Humidity (%)

63
57
53
49
46
49
53
54
58
63
68
68
68
66
66
66
67
66
67
67
68
68

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

303
303
303
302
302
302
301
301
300
300
300
299
298
298
297
296
296
295
294
293
293
294

Forecast for Schildersbuurt, Gemeente Den Haag, Netherlands (52.07,4.30)

Generated: 18/09/25 10:52:48. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00