Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 20

Waxing Gibbous 68%

17:57

00:43

21 OK
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: 07:24, Set: 19:40, Transit: 13:32. Moon - Rise: 17:57, Set: 00:43. Civil Dark: 20:13 - 06:51. Nautical Dark: 20:53 - 06:10. Astro Dark: 21:38 - 05:29

Total Clouds (% Sky Obscured)

42
55
65
100
100
99
100
94
81
96
96
98
88
93
95
97
84
86
66
82
70
34
64
72

Low Clouds (% Sky Obscured)

15
15
0
24
21
33
30
35
23
37
21
0
8
31
36
40
47
34
30
30
32
24
43
58

Medium Clouds (% Sky Obscured)

0
0
0
33
100
96
100
92
81
93
85
80
59
36
36
52
24
26
14
13
8
8
12
12

High Clouds (% Sky Obscured)

42
55
65
100
72
75
56
54
35
31
84
95
68
66
68
88
60
60
37
53
37
2
2
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
11
11
11
11
11
11
11
11
12
14
15
15
16
16
16
16
15
15
16
14

Dew Point (°C)

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

Relative Humidity (%)

67
69
68
68
69
68
68
69
70
71
71
75
74
66
59
52
49
47
47
46
48
54
63
68

Pressure (mb)

1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030

Ozone (du)

295
293
290
289
288
287
287
286
286
285
284
283
280
278
277
275
274
274
273
272
272
271
271
271

Monday 21

Waxing Gibbous 77%

18:16

01:57

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 OK
20 OK

Sun - Rise: 07:26, Set: 19:37, Transit: 13:32. Moon - Rise: 18:16, Set: 01:57. Civil Dark: 20:11 - 06:52. Nautical Dark: 20:51 - 06:12. Astro Dark: 21:35 - 05:31

Total Clouds (% Sky Obscured)

70
63
75
76
88
93
94
95
97
95
95
92
92
89
78
95
96
100
97
89
68
42
31
38

Low Clouds (% Sky Obscured)

47
52
63
67
78
86
88
92
94
93
92
91
90
89
78
95
96
100
96
88
68
40
19
25

Medium Clouds (% Sky Obscured)

15
7
13
15
13
17
11
13
12
10
9
9
8
7
2
3
0
3
6
5
0
0
0
0

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11

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
4
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
12
12
12
12
12
12
12
12
13
14
15
17
18
19
19
19
19
20
20
19

Dew Point (°C)

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

Relative Humidity (%)

67
68
75
70
69
71
70
68
68
66
65
63
63
61
59
59
58
59
58
59
59
61
71
81

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028
1028

Ozone (du)

274
274
274
274
274
273
273
271
271
270
270
271
271
271
270
270
270
271
270
270
270
270
272
273

Tuesday 22

Waxing Gibbous 85%

18:31

03:14

21 OK
22 OK
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: 07:28, Set: 19:35, Transit: 13:31. Moon - Rise: 18:31, Set: 03:14. Civil Dark: 20:09 - 06:54. Nautical Dark: 20:48 - 06:14. Astro Dark: 21:33 - 05:33

Total Clouds (% Sky Obscured)

28
23
45
60
70
73
80
73
71
70
84
100
100
100
93
85
90
94
97
100
94
89
83
85

Low Clouds (% Sky Obscured)

13
15
24
38
54
65
76
73
70
67
65
68
47
41
48
43
54
52
84
53
63
72
79
79

Medium Clouds (% Sky Obscured)

0
0
1
3
4
6
9
7
5
1
13
12
10
12
20
19
35
43
48
49
36
24
17
11

High Clouds (% Sky Obscured)

13
2
12
33
9
2
6
1
1
6
20
100
100
100
63
23
24
50
76
100
77
63
55
22

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
2
11
99
100
100
100
100
100
100
100
100
100
100
100
100
100

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
9
12
20
64

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
92
92
93
93
93
93
92
90
90
89
82
75
68
64
60
59
58
66
59
63
71
72

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1023
1023
1023
1022
1023

Ozone (du)

275
276
278
277
277
278
278
278
278
278
278
278
279
280
281
281
281
281
281
284
286
289
290
292

Wednesday 23

Waxing Gibbous 92%

18:43

04:32

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: 07:29, Set: 19:33, Transit: 13:31. Moon - Rise: 18:43, Set: 04:32. Civil Dark: 20:06 - 06:56. Nautical Dark: 20:46 - 06:16. Astro Dark: 21:30 - 05:34

Total Clouds (% Sky Obscured)

83
80
45
56
43
46
67
100
96
92
89
90
89
93
95
82
100
78
99
100
100
96
95
54

Low Clouds (% Sky Obscured)

79
53
43
54
43
39
46
71
66
64
63
67
67
75
73
53
71
38
63
62
58
4
0
0

Medium Clouds (% Sky Obscured)

8
5
2
1
0
0
0
0
0
0
0
1
1
2
1
0
0
2
4
5
9
13
17
13

High Clouds (% Sky Obscured)

8
47
0
0
0
20
40
60
53
50
46
39
38
35
45
61
70
62
62
62
71
96
95
48

ISS Passover

Visibility (miles)

4
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

Light Rain
Light Rain
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 (%)

95
95
88
29
4
1
2
5
16
15
31
38
17
29
13
31
25
25
24
21
2
2
1
0

Precipitation Amount (mm)

1
0.9
0.6
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
7
8
9
7
7
7
7
6
7
7
7
7
8
8
8
7
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
96
96
96
93
90
90
87
80
79
80
86
86
85
81
76
74
77
70
77
80
80
85
92

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

298
305
312
320
324
325
326
326
327
329
328
321
314
306
303
300
298
296
294
292
290
288
288
287

Thursday 24

Waxing Gibbous 96%

18:54

05:50

21 Bad
22 OK
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 Bad
18 OK
19 OK
20 Bad

Sun - Rise: 07:31, Set: 19:30, Transit: 13:31. Moon - Rise: 18:54, Set: 05:50. Civil Dark: 20:04 - 06:57. Nautical Dark: 20:44 - 06:18. Astro Dark: 21:27 - 05:36

Total Clouds (% Sky Obscured)

59
29
51
69
85
78
72
67
71
67
66
53
48
44
44
46
49
52
55
58
53
47
40
59

Low Clouds (% Sky Obscured)

0
0
8
10
7
8
8
8
8
1
0
30
26
25
25
27
29
32
35
37
36
33
32
22

Medium Clouds (% Sky Obscured)

8
3
4
6
6
6
3
1
5
8
14
1
1
0
2
3
5
4
4
3
4
5
6
35

High Clouds (% Sky Obscured)

51
18
40
60
85
78
72
61
66
63
63
44
30
18
18
18
18
20
22
26
20
15
10
13

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

1
1
1
0
1
0
3
3
2
4
3
4
5
3
7
8
2
2
1
0
3
1
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
6
6
6
6
6
6
6
6
6
6
7
4
5
6
6
6
7
6
6
5
4
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
15
16
15
15
15
15
15
15
15
15
15
13
13
14
15
16
16
21
20
19
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
93
90
90
90
90
90
92
93
92
84
76
71
65
60
56
55
55
53
60
66
75

Pressure (mb)

1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017
1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020

Ozone (du)

286
286
285
284
283
282
281
281
280
279
278
277
277
277
277
277
277
277
277
277
277
277
277
277

Friday 25

Waxing Gibbous 99%

19:05

07:09

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

Sun - Rise: 07:32, Set: 19:28, Transit: 13:30. Moon - Rise: 19:05, Set: 07:09. Civil Dark: 20:02 - 06:59. Nautical Dark: 20:41 - 06:19. Astro Dark: 21:25 - 05:38

Total Clouds (% Sky Obscured)

78
97
78
62
44
39
35
34
36
38
36
44
53
67
53
41
34
43
51
59
61
62
64
61

Low Clouds (% Sky Obscured)

12
2
5
8
12
19
29
34
36
37
36
41
43
35
28
25
19
16
14
13
9
4
0
0

Medium Clouds (% Sky Obscured)

64
93
67
41
19
15
14
12
14
13
12
19
24
23
22
16
15
16
20
22
28
30
32
28

High Clouds (% Sky Obscured)

15
8
5
3
0
1
0
0
1
2
2
22
41
59
43
28
13
26
41
54
61
62
64
61

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
1
1
1
4
8
10
11
10
3
3
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
15
15
15
14
14
14
14
14
14
13
13
13
14
13
14
21
21
19
20
21
22

Dew Point (°C)

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

Relative Humidity (%)

76
78
79
79
81
83
84
86
87
89
89
89
80
70
64
58
52
47
45
44
42
47
54
61

Pressure (mb)

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

Ozone (du)

277
278
278
278
279
279
281
282
284
283
283
283
282
282
281
281
280
280
280
279
279
279
280
280

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 Bad
11 Bad
12 OK
13 OK

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)

61
58
60
67
72
70
69
70
72
73
71
69
63
63
48
34
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
6
11
17
11
5
0

Medium Clouds (% Sky Obscured)

15
1
22
44
65
69
69
70
72
73
71
69
63
63
48
34
7

High Clouds (% Sky Obscured)

61
58
57
49
38
37
37
40
51
58
68
55
38
22
14
7
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
8
7
7
6
5
7
9
11
12
12
12
12
12

Relative Humidity (%)

63
64
66
66
64
64
62
60
58
66
77
89
80
74
69
62
57

Pressure (mb)

1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

281
282
282
283
283
283
283
283
283
286
289
292
292
292
292
292
292

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

Generated: 20/09/26 21:11:07. Forecast: 20/09/26 to 26/09/26. Timezone: UTC+2.00