Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 26

Full Moon 100%

19:18

08:30

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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:34, Set: 19:26, Transit: 13:30. Moon - Rise: 19:18, Set: 08:30. Civil Dark: 19:59 - 07:01. Nautical Dark: 20:39 - 06:21. Astro Dark: 21:22 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
66
79
69
91
81
95
100
100
99
35
61
81
100
94
80
87
99
92
74
100

Low Clouds (% Sky Obscured)

25
20
14
10
8
13
11
11
10
13
14
0
0
0
17
0
0
4
0
0
0
0
14
3

Medium Clouds (% Sky Obscured)

86
83
87
69
53
52
52
31
29
28
44
63
54
0
5
75
86
62
62
55
56
38
61
48

High Clouds (% Sky Obscured)

100
87
49
40
40
40
43
83
66
92
100
100
98
35
57
37
48
85
54
72
98
85
65
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
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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

Chance of Frost

Temperature (°C)

14
14
14
14
13
13
12
12
12
12
11
11
12
14
16
18
19
21
22
22
22
22
20
19

Feels Like (°C)

13
12
12
13
12
11
11
11
11
10
10
10
11
12
14
16
18
19
20
21
21
21
21
19

Dew Point (°C)

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

Relative Humidity (%)

76
78
78
82
82
84
87
90
90
88
84
78
73
63
57
54
50
47
47
46
48
55
64
65

Pressure (mb)

1023
1023
1022
1022
1022
1021
1021
1020
1020
1019
1018
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1014
1015

Ozone (du)

293
293
292
292
291
290
290
288
288
288
288
288
289
289
288
288
287
288
288
287
287
286
286
286

Sunday 27

Waning Gibbous 98%

19:33

09:55

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: 07:36, Set: 19:23, Transit: 13:30. Moon - Rise: 19:33, Set: 09:55. Civil Dark: 19:57 - 07:02. Nautical Dark: 20:36 - 06:23. Astro Dark: 21:20 - 05:42

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

16
24
72
65
68
34
23
27
31
27
27
23
30
30
35
30
42
72
84
46
19
18
4
2

Medium Clouds (% Sky Obscured)

74
95
94
88
41
59
62
67
58
70
95
83
88
42
24
69
73
100
74
68
85
62
73
70

High Clouds (% Sky Obscured)

70
100
100
35
97
74
56
72
94
83
80
96
90
65
92
80
100
100
100
100
100
100
100
99

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 (%)

2
3
3
0
0
0
0
0
1
0
2
0
0
1
2
0
0
0
0
0
6
8
9
18

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
6
7
7
5
5
6
6
5
5
5
5
4
5
5
4
2
4
4
6
8
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
12
13
13
15
15
15
15
15
15
15
14
14
15
15
15
17
19
17
16
16
16

Relative Humidity (%)

65
64
61
66
76
79
89
92
92
93
93
93
89
79
73
69
65
66
76
83
77
80
86
90

Pressure (mb)

1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021

Ozone (du)

286
286
286
286
286
287
286
285
284
283
283
284
285
284
283
283
283
282
282
283
285
285
287
288

Monday 28

Waning Gibbous 93%

19:53

11:23

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: 07:37, Set: 19:21, Transit: 13:29. Moon - Rise: 19:53, Set: 11:23. Civil Dark: 19:54 - 07:04. Nautical Dark: 20:34 - 06:24. Astro Dark: 21:17 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
81
53
75
88
85
93
97
97
95
99
98
94
100
96
94

Low Clouds (% Sky Obscured)

0
35
28
18
17
14
19
21
21
13
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

77
82
91
73
87
100
97
43
74
81
37
41
35
0
2
1
16
26
14
40
48
79
85
85

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
66
33
38
80
69
87
94
97
83
95
97
71
66
48
42

ISS Passover

Visibility (miles)

8
6
7
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
47
36
2
1
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.3
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)

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

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
17
17
17
17
17
17
18
19
21
23
24
26
26
26
26
25
23
22

Feels Like (°C)

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

Dew Point (°C)

16
16
16
16
16
17
17
17
17
16
16
16
17
17
17
17
16
15
14
14
15
16
16
16

Relative Humidity (%)

92
95
96
98
96
98
98
98
100
98
98
96
93
86
79
69
59
52
47
47
51
57
62
66

Pressure (mb)

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

Ozone (du)

288
287
287
287
288
289
290
290
290
291
292
293
294
295
296
296
295
294
292
292
293
292
292
291

Tuesday 29

Waning Gibbous 86%

20:22

12:52

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: 07:39, Set: 19:19, Transit: 13:29. Moon - Rise: 20:22, Set: 12:52. Civil Dark: 19:52 - 07:06. Nautical Dark: 20:32 - 06:26. Astro Dark: 21:14 - 05:46

Total Clouds (% Sky Obscured)

88
89
84
86
81
78
79
81
81
82
82
88
94
100
87
72
59
71
85
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
1
0
2
0
0
0
14
45
50
60
65
73
70

Medium Clouds (% Sky Obscured)

51
42
51
39
36
39
41
39
31
20
9
14
52
56
55
58
57
61
70
81
87
82
83
77

High Clouds (% Sky Obscured)

69
65
60
60
58
48
53
50
68
76
82
88
94
100
85
71
53
65
81
100
100
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
6
7
2
4
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
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
11
24
47
88
95
94
53
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.8
0.7
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
19
18
17
16
15
14
13
14
13
13
15
17
18
20
22
23
23
22
23
21
21
19

Dew Point (°C)

16
16
14
13
11
9
8
8
8
8
8
7
9
10
11
12
14
16
17
21
22
21
20
19

Relative Humidity (%)

68
71
69
67
63
58
55
56
58
61
59
56
56
55
51
49
51
55
61
80
94
96
95
92

Pressure (mb)

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

Ozone (du)

290
288
288
286
285
283
280
279
278
277
276
275
273
273
272
273
273
273
273
274
274
274
274
275

Wednesday 30

Waning Gibbous 77%

21:04

14:17

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: 07:41, Set: 19:16, Transit: 13:29. Moon - Rise: 21:04, Set: 14:17. Civil Dark: 19:50 - 07:07. Nautical Dark: 20:29 - 06:28. Astro Dark: 21:12 - 05:48

Total Clouds (% Sky Obscured)

100
100
95
64
60
91
100
100
99
99
99
94
88
77
56
39
22
19
22
24
22
20
22
47

Low Clouds (% Sky Obscured)

68
35
66
18
24
27
27
27
27
27
27
23
25
28
29
29
22
19
22
19
17
16
14
16

Medium Clouds (% Sky Obscured)

59
90
92
40
42
44
44
45
42
40
37
40
45
41
39
38
22
19
22
24
22
20
22
35

High Clouds (% Sky Obscured)

98
94
75
64
60
85
99
100
97
93
92
90
83
75
55
37
14
14
10
10
11
12
13
35

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

Precipitation Probability (%)

27
31
40
40
34
36
37
37
31
24
11
59
64
65
73
69
55
64
62
57
67
70
70
71

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
17
17
16
16
16
16
16
16
16
16
16
14
14
14
13
11
10
10
9
9
10
10
12

Relative Humidity (%)

92
92
92
93
95
95
95
95
95
95
95
96
89
83
78
70
63
56
56
56
55
62
68
78

Pressure (mb)

1018
1019
1019
1019
1019
1020
1020
1020
1019
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025

Ozone (du)

276
279
280
281
282
282
283
284
285
285
286
287
288
290
291
293
294
296
297
299
300
300
299
299

Thursday 1

Waning Gibbous 66%

21:04

15:27

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 OK
20 OK

Sun - Rise: 07:42, Set: 19:14, Transit: 13:28. Moon - Rise: 21:04, Set: 15:27. Civil Dark: 19:48 - 07:09. Nautical Dark: 20:27 - 06:30. Astro Dark: 21:09 - 05:49

Total Clouds (% Sky Obscured)

70
84
91
96
100
100
100
100
100
100
100
78
56
39
45
60
72
62
56
51
44
34
25
23

Low Clouds (% Sky Obscured)

17
18
13
10
8
10
10
13
11
11
9
8
4
0
9
16
24
25
22
20
14
8
2
2

Medium Clouds (% Sky Obscured)

40
45
55
60
56
60
60
60
49
45
42
44
55
39
45
29
7
6
5
3
11
18
25
21

High Clouds (% Sky Obscured)

58
78
89
95
100
100
100
100
100
100
100
78
56
39
43
44
44
28
21
12
19
27
25
23

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 (%)

77
83
78
66
48
39
27
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0.4
0.5
0.4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
16
15
16
13
13
12
12
11
11
12
12
13
13
14
14
19
19
18
19
18
19

Dew Point (°C)

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

Relative Humidity (%)

79
83
86
87
86
87
86
86
86
86
84
84
74
66
59
54
51
48
48
48
49
53
59
66

Pressure (mb)

1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1028
1028
1028
1028
1028
1029
1029

Ozone (du)

298
297
297
297
296
296
296
296
296
297
298
300
300
301
301
304
308
311
309
308
306
306
306
307

Friday 2

Waning Gibbous 54%

22:04

16:19

21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad

Sun - Rise: 07:44, Set: 19:12, Transit: 13:28. Moon - Rise: 22:04, Set: 16:19. Civil Dark: 19:45 - 07:11. Nautical Dark: 20:24 - 06:31. Astro Dark: 21:07 - 05:51

Total Clouds (% Sky Obscured)

24
21
49
75
98
88
77
67
65
64
62
48
37
26
38
50
62

Low Clouds (% Sky Obscured)

2
3
5
8
11
13
15
18
18
16
16
11
5
0
5
9
16

Medium Clouds (% Sky Obscured)

16
12
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
21
49
75
97
88
77
67
65
61
59
48
37
26
38
50
57

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
None
None
None
None
None
None

Precipitation Probability (%)

2
1
2
2
1
4
5
0
1
3
0
0
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
13
12
12
11
11
11
11
11
11
10
12
14
16
17
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
78
84
87
89
92
91
90
90
88
88
87
76
67
60
55
51

Pressure (mb)

1029
1029
1030
1030
1030
1030
1030
1029
1029
1030
1030
1030
1030
1031
1031
1031
1030

Ozone (du)

305
304
303
301
300
298
298
297
297
297
298
298
298
298
297
297
297

Forecast for Utrecht, Gemeente Utrecht, Netherlands (52.09,5.12)

Generated: 26/09/26 21:56:02. Forecast: 26/09/26 to 02/10/26. Timezone: UTC+2.00