Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 20%

01:30

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: 01:30, Set: 18:30. Civil Dark: 20:20 - 06:44. Nautical Dark: 21:02 - 06:04. Astro Dark: 21:45 - 05:22

Total Clouds (% Sky Obscured)

88
91
93
54
100
89
100
100
99
100
100
100
96
100
100
97
100
98
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
14
8
34
34
19
16
24
36
58
74
80
96
65
88
87
91
99
100
100
100
100

Medium Clouds (% Sky Obscured)

32
5
17
21
33
52
33
48
98
82
82
95
83
100
100
95
100
97
96
60
100
96
92
64

High Clouds (% Sky Obscured)

88
91
31
15
99
49
100
100
94
99
96
100
25
85
15
2
1
0
0
0
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
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

1
1
10
1
0
0
0
0
4
23
43
38
52
56
49
28
37
52
17
32
25
38
25
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
70
76
79
81
84
86
86
86
87
84
79
74
84
87
89
83
65
59
57
62
67
64

Pressure (mb)

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

Ozone (du)

287
283
280
279
277
274
271
268
263
261
259
256
255
253
252
252
252
250
251
250
250
250
253
253

Wednesday 17

Waning Crescent 12%

02:54

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

Sun - Rise: 07:18, Set: 19:44, Transit: 13:31. Moon - Rise: 02:54, Set: 18:49. Civil Dark: 20:18 - 06:45. Nautical Dark: 20:57 - 06:05. Astro Dark: 21:42 - 05:24

Total Clouds (% Sky Obscured)

100
100
97
88
82
68
66
81
76
56
61
89
84
75
77
74
77
81
59
62
62
48
52
54

Low Clouds (% Sky Obscured)

100
100
89
65
59
44
48
57
51
50
56
89
84
75
77
74
77
81
47
46
45
41
47
52

Medium Clouds (% Sky Obscured)

95
85
68
42
20
15
3
11
11
0
1
0
0
0
2
0
0
0
9
16
10
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 (%)

20
1
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
8
9
10
11
11
11
11
11
10
10
9
10
12
12
12
13
12
12
11
11
9
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
15
16
17
16
16
16
16
16
16
17
18
19
20
21
22
23
23
24
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

65
68
71
72
81
83
86
87
86
86
87
86
79
74
67
60
53
49
47
46
46
47
53
60

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

Thursday 18

Waning Crescent 6%

04:15

19:03

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

Sun - Rise: 07:20, Set: 19:42, Transit: 13:31. Moon - Rise: 04:15, Set: 19:03. Civil Dark: 20:15 - 06:47. Nautical Dark: 20:55 - 06:07. Astro Dark: 21:39 - 05:26

Total Clouds (% Sky Obscured)

48
46
53
55
45
52
58
62
57
39
34
31
16
43
71
77
87
73
77
86
67
48
22
32

Low Clouds (% Sky Obscured)

46
44
50
50
40
50
51
48
53
36
31
21
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
32

High Clouds (% Sky Obscured)

0
0
2
1
0
0
1
7
1
0
1
5
16
43
68
77
87
60
64
86
66
45
22
26

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
2
5
5
6
6
5
5
5
5
5
5
7
7
7
8
8
8
8
7
7
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
14
14
12
11
9
9
8
8
9
9
9
8
8
8
6
7
8
9
10
10

Relative Humidity (%)

72
83
85
85
85
83
78
70
65
64
62
61
59
50
45
38
35
32
29
28
29
35
42
46

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 2%

05:33

19:14

21 OK
22 Bad
23 OK
00 OK
01 OK
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: 07:22, Set: 19:40, Transit: 13:31. Moon - Rise: 05:33, Set: 19:14. Civil Dark: 20:13 - 06:48. Nautical Dark: 20:53 - 06:09. Astro Dark: 21:37 - 05:28

Total Clouds (% Sky Obscured)

38
51
44
43
42
59
78
88
85
65
56
54
51
59
72
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
5
9
14
29
44
64
66

Medium Clouds (% Sky Obscured)

38
51
44
43
42
59
78
39
38
36
43
39
34
30
29
59
56
69
80
90
93
97
100
95

High Clouds (% Sky Obscured)

30
16
42
34
36
39
63
88
70
36
7
4
2
0
33
67
100
100
100
100
99
100
100
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
14
0
0
0
3
3
8
2
2
2
17
37
66
67

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
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
20
19
19
18
18
18
18
18
18
18
20
22
24
25
26
27
26
25
24
22
21
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
57
62
65
61
58
53
53
60
64
66
67
61
49
43
38
37
37
42
45
49
51
52
59

Pressure (mb)

1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1015
1015
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
254
253
253
253
252
252
252
253
253
254
255
255

Saturday 20

Waning Crescent 0%

06:48

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: 07:23, Set: 19:38, Transit: 13:30. Moon - Rise: 06:48, Set: 19:25. Civil Dark: 20:11 - 06:50. Nautical Dark: 20:50 - 06:11. Astro Dark: 21:34 - 05:30

Total Clouds (% Sky Obscured)

96
93
93
93
93
90
88
85
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

70
73
72
78
80
64
49
9
20
22
32
58
58
55
39
24
15
19
21
20
17
18
19
32

Medium Clouds (% Sky Obscured)

92
88
90
90
89
89
86
85
90
88
38
71
80
88
78
71
67
78
89
100
100
100
100
94

High Clouds (% Sky Obscured)

66
47
32
16
4
10
17
25
52
76
100
56
37
18
29
37
49
64
82
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
7
1
4
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

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

Precipitation Probability (%)

63
46
50
95
95
95
51
15
8
7
7
32
45
55
55
53
47
54
53
54
64
74
85
84

Precipitation Amount (mm)

0.2
0
0
0.7
3.6
1
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0.2
0.3
0.4
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
19
18
18
18
17
16
16
16
16
17
17
17
18
18
19
19
19
18
18
17
17

Feels Like (°C)

19
20
19
19
19
18
18
18
16
16
14
14
15
15
15
15
15
15
16
15
15
14
15
15

Dew Point (°C)

13
14
14
15
17
17
17
17
16
15
15
14
15
14
14
12
10
8
7
7
6
6
6
6

Relative Humidity (%)

67
68
69
80
90
96
96
96
96
93
93
92
87
82
78
66
57
49
47
46
45
45
48
49

Pressure (mb)

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

Ozone (du)

255
256
257
257
258
256
258
261
262
262
263
263
264
266
267
268
268
269
269
269
270
271
271
272

Sunday 21

New Moon 1%

08:01

19:34

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: 19:35, Transit: 13:30. Moon - Rise: 08:01, Set: 19:34. Civil Dark: 20:08 - 06:52. Nautical Dark: 20:48 - 06:12. Astro Dark: 21:31 - 05:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
96
92
89
91
91
92
93
94
97
89
79
69
78

Low Clouds (% Sky Obscured)

41
50
47
37
16
25
39
52
65
78
88
67
58
55
47
38
33
53
72
89
78
67
56
56

Medium Clouds (% Sky Obscured)

87
81
64
50
37
33
27
25
24
24
23
34
39
45
53
56
59
71
82
94
79
60
42
53

High Clouds (% Sky Obscured)

100
100
100
100
100
98
96
93
95
97
99
96
89
86
78
80
82
75
65
52
56
64
66
62

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
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

Precipitation Probability (%)

87
91
74
56
44
34
24
10
14
13
5
11
12
6
13
12
11
21
21
17
16
13
9
6

Precipitation Amount (mm)

0.7
0.8
0.6
0.3
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
7
7
7
8
9
9
9
9
8
7
8
8
9
10
10
10
11
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
13
13
9
9
9
9
8
9
11
11
12
12
11
12
15
14
14
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

52
54
58
62
65
70
72
75
77
79
79
79
72
69
64
60
54
51
54
56
59
60
62
64

Pressure (mb)

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

Ozone (du)

273
274
276
277
279
281
282
284
285
286
286
287
287
288
288
289
289
290
291
293
294
296
298
300

Monday 22

Waxing Crescent 3%

09:14

19:45

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: 07:26, Set: 19:33, Transit: 13:30. Moon - Rise: 09:14, Set: 19:45. Civil Dark: 20:06 - 06:53. Nautical Dark: 20:45 - 06:14. Astro Dark: 21:29 - 05:33

Total Clouds (% Sky Obscured)

89
97
98
99
100
100
99
98
97
96
95
96
95
93
89
85
80

Low Clouds (% Sky Obscured)

63
65
65
65
65
62
74
79
72
69
67
71
75
79
78
81
80

Medium Clouds (% Sky Obscured)

64
75
74
73
75
81
87
94
91
86
83
86
87
91
82
74
67

High Clouds (% Sky Obscured)

67
70
63
66
80
85
90
95
71
45
26
24
25
24
24
21
21

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
Very Light Rain
None

Precipitation Probability (%)

4
0
3
3
0
18
22
16
52
60
59
80
94
95
84
56
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
1
1.6
0.9
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
73
72
72
71
72
71
72
72
72
71
63
54
47
45
42

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

302
303
304
305
306
306
307
307
308
309
310
311
311
312
313
313
313

Forecast for Eindhoven, Gemeente Eindhoven, Netherlands (51.44,5.48)

Generated: 16/09/25 20:52:49. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+2.00