Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 6%

04:19

19:07

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

Sun - Rise: 07:24, Set: 19:46, Transit: 13:35. Moon - Rise: 04:19, Set: 19:07. Civil Dark: 20:19 - 06:50. Nautical Dark: 20:59 - 06:11. Astro Dark: 21:41 - 05:29

Total Clouds (% Sky Obscured)

9
8
11
16
9
25
2
3
14
67
100
100
100
100
100
100
17
0
0
58
42
33
81
94

Low Clouds (% Sky Obscured)

9
8
11
16
5
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
3
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
10
12
33
43

High Clouds (% Sky Obscured)

3
8
11
15
4
9
2
3
14
67
100
100
100
100
100
100
17
0
0
30
25
11
46
83

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)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
16
18
20
22
24
25
26
26
26
25
24
22
20
19
19
19
18
18
18

Feels Like (°C)

16
16
15
15
13
17
19
21
22
22
22
23
24
24
24
22
19
17
17
17
17
18
17
16

Dew Point (°C)

15
15
14
13
13
14
14
13
11
9
8
8
8
8
10
9
8
7
8
10
10
11
11
11

Relative Humidity (%)

95
95
95
93
95
87
77
62
48
39
34
32
31
31
36
39
40
42
48
54
58
61
62
64

Pressure (mb)

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

Ozone (du)

257
256
256
257
256
257
257
256
255
254
254
256
257
257
255
254
254
254
254
254
254
253
251
251

Saturday 20

Waning Crescent 2%

05:37

19:18

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:25, Set: 19:44, Transit: 13:35. Moon - Rise: 05:37, Set: 19:18. Civil Dark: 20:17 - 06:52. Nautical Dark: 20:57 - 06:12. Astro Dark: 21:38 - 05:31

Total Clouds (% Sky Obscured)

98
74
99
90
61
76
91
100
100
100
98
95
69
51
100
99
100
100
100
100
89
82
95
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
8
43
65
88
83
53
38
25
42
66
58
48
71
72
66
60
73

Medium Clouds (% Sky Obscured)

76
70
84
50
41
76
91
100
100
92
88
67
48
3
25
71
67
52
68
75
43
40
62
76

High Clouds (% Sky Obscured)

88
16
91
76
26
39
66
100
100
100
72
15
15
15
100
98
100
100
98
100
15
20
15
15

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
5
5
8
9
9
9
9
9
2
9
7
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
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Light Rain
Light Rain
None
Light Rain
None
None
None
None

Precipitation Probability (%)

14
0
0
0
0
1
10
16
89
95
87
24
1
0
2
39
95
95
63
88
34
2
2
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
8
8
9
11
11
13
14
14
10
13
14
13
12
10
10
10
11
12
11
14
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
16
16
16
17
19
19
20
19
19
18
19
20
21
21
20
19
19
18
17
15
14
12

Dew Point (°C)

12
14
13
12
12
11
11
11
12
12
15
18
18
18
18
17
16
18
18
17
16
15
15
13

Relative Humidity (%)

67
74
73
69
66
57
51
48
49
56
70
91
82
77
76
75
74
91
91
85
85
81
85
83

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1013
1013
1012
1011
1011
1011
1010
1010
1010
1011
1011
1011
1011
1011

Ozone (du)

251
251
252
252
253
252
253
253
253
254
255
256
257
259
258
258
258
260
262
263
263
263
265
265

Sunday 21

New Moon 0%

06:52

19:28

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
21 Bad
22 Bad
23 Good
00 OK
01 OK
02 OK
03 Bad

Sun - Rise: 07:27, Set: 19:41, Transit: 13:34. Moon - Rise: 06:52, Set: 19:28. Civil Dark: 20:15 - 06:54. Nautical Dark: 20:54 - 06:14. Astro Dark: 21:35 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
60
54
98
62
1
40
32
45
68

Low Clouds (% Sky Obscured)

71
74
41
32
63
69
64
53
70
55
45
36
40
66
20
15
5
0
0
0
0
0
8
16

Medium Clouds (% Sky Obscured)

87
80
74
32
29
90
100
97
100
100
100
92
64
98
90
60
23
27
13
0
0
15
21
27

High Clouds (% Sky Obscured)

100
80
100
100
100
100
99
100
100
100
100
100
100
100
100
21
41
95
56
1
34
3
9
16

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 (%)

5
7
4
3
3
18
13
24
7
19
6
3
1
0
1
0
0
0
0
1
1
2
2
4

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
15
14
11
10
9
8
10
10
12
11
11
12
12
11
11
9
7
5
5
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
75
74
75
73
68
66
69
66
63
56
55
54
53
53
55
62
65
65
63
62
63
67

Pressure (mb)

1012
1012
1013
1013
1014
1015
1016
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021
1022

Ozone (du)

266
268
271
272
271
271
272
272
272
273
274
275
277
281
282
284
285
288
288
289
290
290
291
291

Monday 22

Waxing Crescent 1%

08:06

19:38

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:29, Set: 19:39, Transit: 13:34. Moon - Rise: 08:06, Set: 19:38. Civil Dark: 20:12 - 06:55. Nautical Dark: 20:52 - 06:16. Astro Dark: 21:33 - 05:35

Total Clouds (% Sky Obscured)

88
79
78
79
92
91
91
90
86
88
87
93
95
89
86
88
78
70
61
83
91
100
100
100

Low Clouds (% Sky Obscured)

24
26
28
30
31
31
31
32
32
33
39
44
50
45
41
36
24
12
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

32
37
41
45
32
25
17
20
23
26
30
33
43
45
46
39
36
38
37
41
43
83
78
93

High Clouds (% Sky Obscured)

21
37
50
62
55
53
51
47
41
33
23
11
0
3
5
8
5
3
0
33
67
100
100
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 (%)

5
23
21
7
3
3
0
2
4
4
3
5
1
1
0
0
1
3
3
3
2
0
1
1

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
7
8
8
8
10
12
13
14
14
14
14
16
16
15
14
13
12
12
12
11
11
11
10

Chance of Frost

Temperature (°C)

9
9
9
9
9
11
13
14
15
16
16
17
16
16
15
14
13
12
11
11
10
10
10
9

Feels Like (°C)

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

Dew Point (°C)

4
5
7
7
7
7
6
5
4
3
2
1
3
4
5
6
6
6
6
5
4
4
3
3

Relative Humidity (%)

67
72
84
87
87
77
65
55
48
43
37
35
40
47
52
58
63
66
68
67
66
66
63
66

Pressure (mb)

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

Ozone (du)

292
293
294
296
299
300
301
303
301
302
302
303
305
305
305
306
306
307
308
305
305
303
304
304

Tuesday 23

Waxing Crescent 3%

09:18

19:49

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:30, Set: 19:37, Transit: 13:34. Moon - Rise: 09:18, Set: 19:49. Civil Dark: 20:10 - 06:57. Nautical Dark: 20:49 - 06:18. Astro Dark: 21:30 - 05:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
1
0
4
5
10
15
21
42
59
77
85
93
100
59
71
83
85
88
90
88
83

Medium Clouds (% Sky Obscured)

100
63
98
100
100
91
100
100
100
94
97
96
100
97
95
93
100
99
99
99
99
99
99
100

High Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
96
100
100
100
100
100
100
99
97
96
97
99
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
23
32
24
22
25
26
40
43
33
69
89
95
95
95
95
82
85
78
68
54
35
41
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.6
1
1
1
1.1
0.5
0.6
0.6
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
9
9
10
12
12
12
13
13
14
15
15
15
14
12
12
11
11
11
11
11
11

Feels Like (°C)

5
5
5
5
4
6
8
8
9
9
9
10
10
11
10
10
10
11
10
10
10
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

66
64
71
73
74
74
66
66
67
65
62
53
51
49
50
56
73
76
79
81
81
81
81
81

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1020
1020
1020
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

306
307
305
304
303
304
302
299
296
295
294
294
295
295
295
296
296
295
295
294
296
297
298
298

Wednesday 24

Waxing Crescent 7%

10:31

20:01

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:32, Set: 19:34, Transit: 13:33. Moon - Rise: 10:31, Set: 20:01. Civil Dark: 20:08 - 06:59. Nautical Dark: 20:47 - 06:19. Astro Dark: 21:28 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
93
87
81
79
78
81
84
87

Low Clouds (% Sky Obscured)

80
77
77
68
75
80
88
92
97
100
88
80
70
73
73
72
66
68
66
61
56
56
62
64

Medium Clouds (% Sky Obscured)

100
100
99
99
98
97
97
93
88
85
90
95
98
98
98
98
93
87
73
74
75
75
68
62

High Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
96
92
87
64
40
16
12
9
10
10
10
10
15
10

ISS Passover

Visibility (miles)

9
9
9
8
7
6
5
4
6
8
9
7
5
2
4
6
8
8
7
6
6
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
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

37
41
46
50
53
58
63
68
70
75
85
88
78
89
95
95
95
79
69
67
65
64
56
45

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.4
0.4
0.4
0.5
0.6
0.3
0.5
0.7
0.9
0.6
0.4
0.3
0.3
0.3
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
81
81
80
83
83
85
87
90
91
91
95
95
95
95
95
95
96
98
98
98
98
98

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019

Ozone (du)

299
299
298
297
296
295
295
294
293
293
292
292
292
292
294
295
296
298
299
300
300
301
301
301

Thursday 25

Waxing Crescent 13%

11:45

20:16

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:34, Set: 19:32, Transit: 13:33. Moon - Rise: 11:45, Set: 20:16. Civil Dark: 20:05 - 07:00. Nautical Dark: 20:45 - 06:21. Astro Dark: 21:25 - 05:41

Total Clouds (% Sky Obscured)

91
94
97
100
96
92
88
92
96
100
99
99
98
97
96
96
98
99
100
97
94
92

Low Clouds (% Sky Obscured)

70
68
62
52
48
49
52
45
44
44
50
51
53
54
58
58
51
44
39
43
50
52

Medium Clouds (% Sky Obscured)

55
64
76
87
82
78
73
52
30
9
25
35
47
45
43
37
35
33
35
30
30
30

High Clouds (% Sky Obscured)

10
50
77
100
80
72
59
71
75
75
51
25
1
2
2
3
8
15
35
35
50
56

ISS Passover

Visibility (miles)

8
8
8
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
None
None
None
None
None
None

Precipitation Probability (%)

30
39
44
47
49
50
49
44
36
25
27
25
21
22
20
9
30
38
38
37
36
41

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
9
9
9
9
10
10
10
10
10
10
10
10
10
10
10
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
96
96
96
95
96
96
95
93
93
93
93
93
93
95
93
96
96

Pressure (mb)

1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

301
301
301
301
301
302
302
303
303
303
304
304
305
306
307
308
309
309
309
309
309
308

Forecast for Oudenbosch, Gemeente Halderberge, Netherlands (51.58,4.53)

Generated: 19/09/25 04:34:17. Forecast: 19/09/25 to 25/09/25. Timezone: UTC+2.00