Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

04:15

18:50

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
22 Bad
23 Good
00 OK
01 Good
02 Good
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:19, Set: 19:45, Transit: 13:32. Moon - Rise: 04:15, Set: 18:50. Civil Dark: 20:19 - 06:47. Nautical Dark: 20:59 - 06:07. Astro Dark: 21:41 - 05:26

Total Clouds (% Sky Obscured)

98
95
90
97
94
84
83
95
76
73
67
53
86
95
95
95
0
31
0
5
91
86
81
67

Low Clouds (% Sky Obscured)

85
78
69
93
89
69
73
90
64
61
54
37
41
33
0
0
0
0
0
5
14
31
37
37

Medium Clouds (% Sky Obscured)

42
37
35
34
50
37
24
47
34
28
25
24
16
0
0
0
0
2
0
3
2
2
2
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
77
85
85
85
0
31
0
5
76
72
64
44

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
1
0
2
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
12
13
14
16
16
15
15
14
13
13
12
9
7
7
7
8
8
8
8
7
7
6
6

Chance of Frost

Temperature (°C)

18
17
18
18
19
20
21
22
22
23
23
23
21
19
18
17
17
16
16
16
15
15
15
15

Feels Like (°C)

15
15
15
16
17
17
19
20
20
21
22
23
22
20
19
19
18
17
15
14
14
15
14
15

Dew Point (°C)

15
15
15
15
15
15
15
15
15
16
15
15
15
16
16
16
16
15
15
14
14
14
14
14

Relative Humidity (%)

83
85
82
81
77
72
67
63
64
64
62
62
68
78
85
90
92
93
93
92
90
92
93
93

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 6%

05:34

19:04

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

Sun - Rise: 07:21, Set: 19:43, Transit: 13:32. Moon - Rise: 05:34, Set: 19:04. Civil Dark: 20:16 - 06:49. Nautical Dark: 20:56 - 06:09. Astro Dark: 21:38 - 05:28

Total Clouds (% Sky Obscured)

53
36
47
32
5
9
69
96
100
56
75
58
47
88
23
10
19
30
20
69
43
55
96
100

Low Clouds (% Sky Obscured)

40
36
24
8
0
2
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
0
0
0
0
0
0
22
13
23
10
19
29
20
29
32
36
69
75

High Clouds (% Sky Obscured)

29
9
25
24
3
6
67
96
100
51
74
56
47
88
23
1
0
1
3
46
13
26
81
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

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
2
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)

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

Chance of Frost

Temperature (°C)

14
15
16
19
21
23
25
26
27
27
27
26
24
22
20
20
19
18
18
17
17
17
17
17

Feels Like (°C)

14
16
18
18
21
22
24
24
25
25
26
25
23
20
18
18
17
18
17
16
17
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

93
92
83
71
58
46
41
38
35
33
39
48
51
52
55
54
59
64
66
67
67
68
71
71

Pressure (mb)

1022
1022
1023
1023
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

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

Saturday 20

Waning Crescent 2%

06:49

19:15

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:22, Set: 19:41, Transit: 13:31. Moon - Rise: 06:49, Set: 19:15. Civil Dark: 20:14 - 06:51. Nautical Dark: 20:54 - 06:11. Astro Dark: 21:35 - 05:30

Total Clouds (% Sky Obscured)

100
87
74
74
64
82
100
100
100
100
100
100
100
100
100
100
100
100
97
98
99
100
82
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
7
35
75
86
65
69
50
66
77
71
65
56
40
25

Medium Clouds (% Sky Obscured)

80
68
74
46
52
66
69
91
96
65
64
82
37
76
64
18
19
16
62
48
27
41
27
86

High Clouds (% Sky Obscured)

98
64
43
13
34
65
100
100
100
100
100
100
100
100
100
100
100
100
82
89
95
100
55
52

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
1
5
3
14
32
71
53
95
54
25
7
0
0
0
0
0
1
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
8
10
11
13
14
14
11
7
11
6
7
8
6
5
4
6
7
8
7
8
8

Chance of Frost

Temperature (°C)

18
18
19
21
24
26
27
27
27
25
24
23
22
21
20
19
19
19
18
18
17
16
15
15

Feels Like (°C)

17
17
18
20
22
24
24
24
23
22
24
22
23
21
20
20
20
20
20
19
17
16
15
16

Dew Point (°C)

13
14
14
14
13
12
12
13
12
15
18
19
19
20
19
19
18
18
18
17
16
16
15
15

Relative Humidity (%)

72
74
70
63
51
42
38
40
39
54
66
77
85
92
96
96
96
98
96
96
96
98
98
98

Pressure (mb)

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

Ozone (du)

252
252
252
250
250
250
249
248
248
249
250
250
251
251
251
251
252
253
254
255
256
256
255
256

Sunday 21

New Moon 0%

No Rise

19:25

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
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:24, Set: 19:38, Transit: 13:31. Moon - Rise: No Rise, Set: 19:25. Civil Dark: 20:12 - 06:52. Nautical Dark: 20:51 - 06:13. Astro Dark: 21:33 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
73
45
18
20
26
33
41
49

Low Clouds (% Sky Obscured)

24
25
34
36
42
48
54
53
53
45
38
29
22
16
11
6
7
7
8
11
18
24
31
38

Medium Clouds (% Sky Obscured)

100
100
99
99
99
100
100
100
100
100
94
50
66
60
53
40
36
40
18
20
26
33
41
43

High Clouds (% Sky Obscured)

39
63
86
100
100
100
100
100
100
100
100
100
100
100
100
100
67
34
0
0
5
5
5
5

ISS Passover

Visibility (miles)

9
5
3
2
9
5
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3

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

Precipitation Probability (%)

89
95
95
95
72
58
68
36
17
18
2
0
0
0
0
0
1
5
7
33
56
95
95
95

Precipitation Amount (mm)

0.6
2.1
1.3
1.1
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.8
1.2

Wind Speed/Direction (mph)

7
7
8
8
7
9
11
10
9
9
9
6
5
5
4
4
4
3
2
3
4
3
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
96
98
98
96
93
93
83
82
79
81
83
86
90
89
90
87
84
86
86
87
93
95

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

257
258
260
261
262
262
262
262
263
265
266
267
269
270
269
271
272
272
272
274
274
273
272
273

Monday 22

Waxing Crescent 1%

08:02

19:35

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:26, Set: 19:36, Transit: 13:31. Moon - Rise: 08:02, Set: 19:35. Civil Dark: 20:09 - 06:54. Nautical Dark: 20:49 - 06:14. Astro Dark: 21:30 - 05:33

Total Clouds (% Sky Obscured)

56
60
63
63
62
66
72
64
50
34
49
52
46
59
73
87
88
89
90
86
84
82
80
75

Low Clouds (% Sky Obscured)

45
50
55
60
56
56
56
52
42
33
42
48
41
14
20
26
22
17
20
30
37
55
60
65

Medium Clouds (% Sky Obscured)

54
57
56
60
47
66
68
14
8
2
7
38
6
30
43
55
52
51
53
49
40
33
39
44

High Clouds (% Sky Obscured)

10
5
10
5
5
5
0
0
0
0
0
0
0
0
0
0
1
2
5
3
4
5
10
35

ISS Passover

Visibility (miles)

4
7
3
5
9
9
8
5
5
3
4
5
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
Very Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

90
95
95
63
32
30
45
50
60
61
51
38
10
13
10
6
6
8
4
10
13
12
19
20

Precipitation Amount (mm)

0.4
0.9
0.9
0.2
0
0
0
0.3
0.4
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
92
86
83
78
77
83
89
90
93
95
95
95
95
93
93
93
93
92
92

Pressure (mb)

1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1016
1016
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

275
276
276
279
283
284
286
288
288
289
290
290
292
291
294
296
298
300
301
303
304
305
306
307

Tuesday 23

Waxing Crescent 3%

09:15

19:45

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:27, Set: 19:34, Transit: 13:30. Moon - Rise: 09:15, Set: 19:45. Civil Dark: 20:07 - 06:56. Nautical Dark: 20:46 - 06:16. Astro Dark: 21:27 - 05:35

Total Clouds (% Sky Obscured)

71
68
73
78
85
93
100
100
100
100
100
100
100
100
99
99
99
99
99
88
76
68
69
66

Low Clouds (% Sky Obscured)

60
55
50
45
45
63
78
91
94
95
76
56
40
44
56
67
76
83
92
74
56
43
46
47

Medium Clouds (% Sky Obscured)

50
36
22
11
17
16
15
17
18
25
33
42
50
66
81
93
89
84
82
77
72
62
56
45

High Clouds (% Sky Obscured)

30
25
21
16
38
60
82
73
79
94
98
100
100
100
98
98
94
92
90
88
76
68
69
66

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

15
20
22
23
24
22
12
32
41
48
69
84
89
95
95
95
95
95
95
95
95
95
95
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.6
0.7
0.8
0.9
0.9
0.9
1.4
1.1
0.8
0.8
0.8
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
90
89
89
84
82
79
78
76
75
75
76
75
76
80
83
83
84
85
85
88
88
88

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

308
308
308
309
309
309
309
308
309
309
310
310
311
312
314
315
317
319
321
323
324
325
327
325

Wednesday 24

Waxing Crescent 7%

10:28

19:57

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
22 OK
23 OK
00 Good
01 Good

Sun - Rise: 07:29, Set: 19:31, Transit: 13:30. Moon - Rise: 10:28, Set: 19:57. Civil Dark: 20:05 - 06:57. Nautical Dark: 20:44 - 06:18. Astro Dark: 21:25 - 05:37

Total Clouds (% Sky Obscured)

63
63
62
67
68
68
73
82
88
94
83
73
63
56
45
32
22
12
2

Low Clouds (% Sky Obscured)

54
60
58
59
64
64
65
54
47
40
38
36
35
35
35
32
22
12
0

Medium Clouds (% Sky Obscured)

37
36
36
45
45
45
50
55
55
55
50
40
29
20
10
0
0
0
0

High Clouds (% Sky Obscured)

63
63
62
60
60
46
27
22
31
21
21
10
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

36
31
21
6
16
19
20
18
15
11
10
7
5
8
7
1
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

Wind Speed/Direction (mph)

4
6
6
8
9
10
11
11
11
11
11
10
9
9
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
9
9
10
10
11
15
14
13
13
13
14
8
8
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

87
87
76
69
60
55
51
47
47
45
45
53
64
77
80
82
84
82
81

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022

Ozone (du)

324
322
320
318
317
315
314
312
311
310
309
307
305
304
303
301
300
299
298

Forecast for 's-Hertogenbosch, Gemeente 's-Hertogenbosch, Netherlands (51.70,5.30)

Generated: 18/09/25 07:22:52. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+2.00