Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:30

18:06

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

Sun - Rise: 07:18, Set: 19:50, Transit: 13:33. Moon - Rise: 01:30, Set: 18:06. Civil Dark: 20:24 - 06:44. Nautical Dark: 21:04 - 06:04. Astro Dark: 21:46 - 05:22

Total Clouds (% Sky Obscured)

98
96
95
92
97
99
100
60
55
94
60
100
100
100
100
100
100
98
100
99
97
100
100
100

Low Clouds (% Sky Obscured)

67
50
42
40
39
32
45
26
29
22
23
37
18
3
20
29
47
73
80
91
63
90
95
100

Medium Clouds (% Sky Obscured)

44
48
43
33
38
41
19
17
15
30
32
37
69
100
91
98
94
85
100
98
97
100
100
93

High Clouds (% Sky Obscured)

0
0
85
85
97
94
100
28
16
82
24
100
100
100
100
100
100
23
76
14
1
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

23
0
0
15
3
2
4
2
1
0
0
0
0
5
20
42
42
58
65
55
28
31
30
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

21
19
16
13
11
9
8
9
11
11
10
10
10
10
10
10
10
11
12
11
11
12
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
65
69
73
78
80
80
84
84
89
93
90
89
90
90
87
80
78
89
89
89
84
74

Pressure (mb)

1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1019
1019
1018
1018
1019
1019
1019
1020
1020
1020
1020
1019
1019
1018

Ozone (du)

306
303
302
300
292
287
283
280
279
275
272
269
265
261
259
256
255
255
253
252
252
251
250
251

Wednesday 17

Waning Crescent 12%

02:53

18:32

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

Sun - Rise: 07:19, Set: 19:48, Transit: 13:32. Moon - Rise: 02:53, Set: 18:32. Civil Dark: 20:21 - 06:46. Nautical Dark: 21:01 - 06:06. Astro Dark: 21:43 - 05:24

Total Clouds (% Sky Obscured)

99
100
100
97
98
97
99
99
85
74
80
75
72
75
69
78
76
86
75
83
79
75
72
60

Low Clouds (% Sky Obscured)

99
100
100
92
97
94
89
89
81
62
57
57
63
59
61
72
76
86
73
76
76
65
58
50

Medium Clouds (% Sky Obscured)

91
92
97
94
96
92
89
76
47
35
37
20
0
2
5
4
0
0
2
12
12
9
23
26

High Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
0
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
21
45
19
26
13
2
2
2
1
0
0
0
0
0
0
0
0
0
1
0
0
0
0

Precipitation Amount (mm)

0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
13
14
14
15
15
15
15
15
16
15
15
15
15
15
16
17
18
18
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

65
63
67
73
72
74
78
78
78
83
89
92
95
95
95
95
95
86
80
74
67
62
57
54

Pressure (mb)

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

Ozone (du)

250
250
250
252
252
255
257
257
257
256
255
254
253
254
254
254
253
252
252
251
251
252
253
253

Thursday 18

Waning Crescent 6%

04:15

18:50

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

Sun - Rise: 07:21, 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)

68
86
54
26
35
26
44
40
36
25
32
45
53
46
41
41
42
48
51
10
100
88
62
48

Low Clouds (% Sky Obscured)

56
79
51
26
30
24
36
36
36
25
31
38
46
43
41
40
33
32
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

36
24
0
0
3
0
5
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
2
3
3
0
0
0
0
5
3
2
0
1
8
26
51
10
100
88
49
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
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)

15
14
11
8
7
6
7
7
7
8
8
7
6
6
6
6
6
6
8
9
9
10
10
9

Chance of Frost

Temperature (°C)

24
24
23
21
19
18
17
17
17
17
16
16
16
15
15
15
15
16
19
21
23
24
25
26

Feels Like (°C)

23
23
23
23
20
18
18
18
18
18
17
17
15
16
16
15
15
16
17
19
21
22
22
25

Dew Point (°C)

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

Relative Humidity (%)

54
54
57
68
85
89
92
92
92
92
92
93
92
92
92
84
73
64
51
45
40
37
33
30

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 2%

05:34

19:04

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

Sun - Rise: 07:22, Set: 19:43, Transit: 13:31. 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)

43
24
45
35
47
59
72
75
78
81
86
85
84
61
35
15
18
23
38
59
78
100
98
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
20
16
1
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
0
1
35
36
59
72
75
78
79
84
74
43
31
24
15
18
8
11
15
22
63
67
71

High Clouds (% Sky Obscured)

43
24
40
35
40
55
55
57
55
45
49
67
82
57
28
0
5
10
15
43
72
100
95
90

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
3
1
1
0
1
0
2
3
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
26
26
23
20
19
18
18
18
18
17
18
18
18
17
17
17
18
21
21
21
22
23
22

Dew Point (°C)

6
7
10
10
9
10
9
10
11
12
11
10
10
10
11
11
11
11
11
11
11
10
12
13

Relative Humidity (%)

28
29
39
43
44
48
49
54
57
61
59
54
55
60
62
65
61
57
49
45
41
38
42
48

Pressure (mb)

1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1012
1012

Ozone (du)

251
251
251
251
252
252
253
252
253
254
255
254
254
254
253
252
253
254
253
255
256
254
254
254

Saturday 20

Waning Crescent 0%

06:49

19:15

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

Sun - Rise: 07:24, 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)

96
97
99
100
99
98
97
95
94
93
88
82
77
86
93
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
32
52
70
67
46
61
59
74
78
57
32
8
11
12
18
53
45
37
43
48
51
38
26

Medium Clouds (% Sky Obscured)

75
83
92
100
98
96
94
91
90
88
87
82
77
53
64
71
62
62
62
48
38
33
57
75

High Clouds (% Sky Obscured)

84
90
95
100
82
67
47
29
15
5
6
6
7
38
69
100
58
37
17
17
17
21
45
72

ISS Passover

Visibility (miles)

9
9
9
5
9
9
6
9
7
3
2
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
None
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
29
60
91
78
78
38
36
95
95
95
18
15
18
6
3
31
43
47
43
37
27
33
34

Precipitation Amount (mm)

0
0
0.2
0.7
0.4
0.5
0
0
2
1.6
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
14
14
15
15
15
17
17
17
16
15
15
15
15
15
14
14
12
10
8
8

Relative Humidity (%)

49
56
59
66
79
81
85
86
86
96
96
98
98
93
95
95
95
90
86
83
71
59
51
50

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1010
1011
1011
1011
1011
1011
1011
1011
1011
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

254
255
255
256
255
256
257
257
257
257
256
258
261
263
263
263
263
264
265
266
267
268
268
269

Sunday 21

New Moon 1%

08:02

19:25

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

Sun - Rise: 07:26, Set: 19:38, Transit: 13:31. Moon - Rise: 08:02, 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
99
99
90
80
71
77
80
87
90
94

Low Clouds (% Sky Obscured)

13
9
6
4
10
18
27
33
30
27
45
71
97
94
92
85
63
38
23
32
43
59
69
78

Medium Clouds (% Sky Obscured)

98
96
94
92
78
63
52
49
42
35
30
25
25
25
25
25
30
40
50
55
55
60
62
64

High Clouds (% Sky Obscured)

100
100
99
100
100
100
100
100
100
100
84
64
29
49
74
99
90
80
71
77
80
87
90
94

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

Precipitation Probability (%)

31
52
57
58
59
60
42
43
41
40
32
22
11
10
8
2
5
7
5
14
19
25
26
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
7
6
5
5
5
5
5
6
8
9
9
9
9
8
9
11
12
12
13
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
50
51
52
54
57
62
66
69
71
73
75
76
77
77
77
79
74
71
67
66
65
62
58

Pressure (mb)

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

Ozone (du)

270
272
272
272
273
274
275
276
279
281
284
284
285
286
287
288
289
289
289
289
290
290
290
292

Monday 22

Waxing Crescent 3%

09:15

19:35

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:27, Set: 19:36, Transit: 13:30. Moon - Rise: 09:15, 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)

100
97
95
93
88
83
80
84
88
92
93
94
95
97
98
100
100
100
100
94
89
83

Low Clouds (% Sky Obscured)

81
61
47
37
38
39
41
50
56
62
64
70
76
77
76
73
71
70
69
69
69
75

Medium Clouds (% Sky Obscured)

68
72
71
66
60
53
53
61
70
79
78
76
74
75
76
77
84
92
100
89
79
68

High Clouds (% Sky Obscured)

98
97
95
93
80
68
59
54
57
76
78
65
71
71
79
88
69
48
27
24
23
21

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

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

Precipitation Probability (%)

14
13
12
2
2
2
0
1
1
0
8
9
5
27
33
29
58
68
72
61
49
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
13
13
13
9
9
9
8
8
8
6
6
7
7
7
7
8
8
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

56
53
55
59
62
67
71
76
77
76
77
74
72
69
71
69
69
64
59
53
49
45

Pressure (mb)

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

Ozone (du)

295
297
299
301
304
304
305
306
306
307
307
308
309
310
310
310
310
311
312
313
314
314

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

Generated: 16/09/25 16:54:30. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+2.00