Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:31

18:30

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:17, Set: 19:47, Transit: 13:32. Moon - Rise: 01:31, Set: 18:30. Civil Dark: 20:21 - 06:44. Nautical Dark: 21:03 - 06:04. Astro Dark: 21:45 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
62
95
90
100
100
99
100
100
100
97
100
100
98
98
98
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
5
1
13
1
45
27
21
23
34
56
63
82
80
89
63
86
87
96
97
100
100
100
100

Medium Clouds (% Sky Obscured)

26
8
23
26
42
49
26
39
99
97
82
96
86
100
100
97
98
97
95
54
100
95
76
100

High Clouds (% Sky Obscured)

100
100
30
15
94
42
100
100
92
100
96
100
28
72
20
1
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
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
0
4
1
0
0
0
0
11
31
46
37
57
61
47
30
41
51
26
43
24
32
22
16

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
77
81
81
87
89
90
90
90
90
87
79
77
89
89
90
80
65
60
58
65
64
63

Pressure (mb)

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

Ozone (du)

287
283
280
279
276
274
270
267
262
260
257
255
255
253
252
252
251
249
250
250
250
250
253
253

Wednesday 17

Waning Crescent 12%

02:55

18:49

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 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Bad
20 Bad

Sun - Rise: 07:19, Set: 19:45, Transit: 13:32. Moon - Rise: 02:55, Set: 18:49. Civil Dark: 20:18 - 06:46. Nautical Dark: 20:58 - 06:06. Astro Dark: 21:42 - 05:24

Total Clouds (% Sky Obscured)

100
100
88
82
77
69
79
85
78
69
60
79
70
75
85
69
41
58
55
57
49
36
50
51

Low Clouds (% Sky Obscured)

100
100
79
72
67
48
58
64
61
62
60
79
70
75
84
69
41
58
55
45
46
36
47
51

Medium Clouds (% Sky Obscured)

98
87
44
44
21
16
15
14
4
0
1
0
0
0
13
0
0
0
0
19
3
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
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)

7
9
10
11
11
11
11
11
11
11
10
10
10
13
13
13
13
13
12
12
11
9
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
15
16
16
15
15
16
16
15
16
16
18
19
20
21
22
23
23
23
24
23
21

Dew Point (°C)

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

Relative Humidity (%)

64
68
71
76
83
87
90
90
90
89
90
89
82
76
69
61
56
52
49
47
46
50
58
68

Pressure (mb)

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

Ozone (du)

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

Thursday 18

Waning Crescent 6%

04:16

19:03

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

Sun - Rise: 07:21, Set: 19:43, Transit: 13:32. Moon - Rise: 04:16, Set: 19:03. Civil Dark: 20:16 - 06:47. Nautical Dark: 20:56 - 06:08. Astro Dark: 21:40 - 05:26

Total Clouds (% Sky Obscured)

42
49
54
53
50
56
62
56
48
44
45
27
19
34
95
80
85
72
77
86
68
48
23
32

Low Clouds (% Sky Obscured)

40
46
51
51
47
54
55
47
46
44
42
23
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
1
0
1
2
19
34
86
80
85
72
77
85
67
45
23
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
19
18
18
18
17
15
15
15
14
14
17
17
19
21
21
22
25
25
26
24
21
19

Dew Point (°C)

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

Relative Humidity (%)

82
86
87
89
90
89
87
82
74
66
63
63
60
50
45
38
35
31
27
25
26
35
40
45

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 2%

05:34

19:15

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

Sun - Rise: 07:22, Set: 19:40, Transit: 13:31. Moon - Rise: 05:34, Set: 19:15. Civil Dark: 20:14 - 06:49. Nautical Dark: 20:53 - 06:10. Astro Dark: 21:37 - 05:28

Total Clouds (% Sky Obscured)

38
48
47
48
48
63
80
79
68
59
49
51
48
60
73
86
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
41
66
65

Medium Clouds (% Sky Obscured)

38
48
47
48
48
63
80
28
23
25
49
51
26
30
31
69
68
74
81
87
91
96
100
97

High Clouds (% Sky Obscured)

36
30
44
16
45
38
64
79
61
32
0
0
0
0
33
67
100
100
100
100
100
100
100
75

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
15
0
0
1
2
1
5
2
4
5
26
58
80
75

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
8
7
7
9
7
7
7
7
7
8
9
10
10
12
13
12
9
9
5
3
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
53
58
63
61
54
50
51
60
63
66
65
59
49
44
38
37
38
45
44
49
53
59
72

Pressure (mb)

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

Ozone (du)

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

Saturday 20

Waning Crescent 0%

06:49

19:25

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:24, Set: 19:38, Transit: 13:31. Moon - Rise: 06:49, Set: 19:25. Civil Dark: 20:11 - 06:51. Nautical Dark: 20:51 - 06:11. Astro Dark: 21:34 - 05:30

Total Clouds (% Sky Obscured)

96
94
95
95
95
92
89
84
90
95
100
100
100
100
100
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
76
56
79
80
62
44
12
14
25
29
57
57
55
40
26
13
26
36
40
36
30
25
30

Medium Clouds (% Sky Obscured)

94
90
91
93
92
91
88
82
54
85
60
74
75
72
57
35
22
48
73
100
100
100
100
90

High Clouds (% Sky Obscured)

49
24
18
8
2
3
9
7
40
70
100
55
37
20
28
33
42
59
79
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
2
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
None
None
Light Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

74
37
46
95
95
95
30
12
10
10
10
33
47
55
54
51
44
46
47
44
59
70
78
76

Precipitation Amount (mm)

0.4
0
0
0.9
2.9
0.4
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0.2
0.4
0.5
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
19
18
18
18
17
17
16
16
15
15
16
17
17
18
18
19
18
18
18
17
17
16

Feels Like (°C)

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

Dew Point (°C)

14
15
15
16
17
17
17
16
15
15
14
14
14
14
14
12
9
7
7
7
6
6
6
6

Relative Humidity (%)

75
78
78
89
93
96
96
96
95
95
93
93
87
83
81
67
57
47
47
46
46
47
48
49

Pressure (mb)

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

Ozone (du)

255
256
257
257
258
257
258
262
263
263
263
264
265
266
267
268
268
269
270
270
271
272
272
273

Sunday 21

New Moon 1%

08:02

19:35

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
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:25, Set: 19:36, Transit: 13:31. Moon - Rise: 08:02, Set: 19:35. Civil Dark: 20:09 - 06:52. Nautical Dark: 20:48 - 06:13. Astro Dark: 21:32 - 05:32

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
92
87
80
85
89
92
94
96
100
95
89
85
91

Low Clouds (% Sky Obscured)

32
34
36
38
32
42
67
94
93
92
76
58
48
42
42
43
50
62
70
78
73
67
62
63

Medium Clouds (% Sky Obscured)

80
70
61
53
49
41
33
30
30
30
30
30
40
50
54
62
65
74
82
92
83
70
58
60

High Clouds (% Sky Obscured)

100
100
100
100
100
80
61
34
54
75
90
90
87
80
85
89
91
92
91
91
88
83
66
73

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
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 (%)

77
79
57
44
39
31
23
6
10
10
4
11
11
5
11
15
21
24
22
16
15
13
4
3

Precipitation Amount (mm)

0.5
0.6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
57
62
65
69
75
72
70
68
72
76
81
75
70
65
62
59
56
55
56
56
57
60
63

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019

Ozone (du)

274
275
276
278
280
283
284
285
286
286
287
288
288
289
289
289
290
290
292
293
295
297
300
302

Monday 22

Waxing Crescent 3%

09:14

19:46

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: 19:33, Transit: 13:30. Moon - Rise: 09:14, Set: 19:46. Civil Dark: 20:07 - 06:54. Nautical Dark: 20:46 - 06:15. Astro Dark: 21:29 - 05:34

Total Clouds (% Sky Obscured)

95
99
99
100
100
99
98
97
97
96
95
96
96
99
96
92
89

Low Clouds (% Sky Obscured)

71
70
66
71
72
69
67
65
73
72
71
73
78
79
77
71
77

Medium Clouds (% Sky Obscured)

60
59
60
59
62
65
64
65
71
74
77
84
91
97
91
86
80

High Clouds (% Sky Obscured)

85
93
81
79
85
90
85
90
66
41
17
22
28
36
36
36
36

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

2
0
1
1
0
22
28
15
53
63
62
81
92
95
83
59
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
0.9
1.4
0.9
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
67
70
71
73
73
74
74
76
74
74
73
65
57
52
48
44

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

303
304
305
305
306
307
307
308
309
309
310
310
311
313
314
314
314

Forecast for Knegsel, Gemeente Eersel, Netherlands (51.40,5.34)

Generated: 16/09/25 20:41:10. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+2.00