Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 21

Waxing Gibbous 77%

18:16

01:57

22 Good
23 Good
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
21 Bad

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: 21:33 - 05:31

Total Clouds (% Sky Obscured)

11
18
76
88
55
66
58
58
72
88
93
93
91
85
87
98
98
100
99
93
76
71
71
75

Low Clouds (% Sky Obscured)

11
18
58
63
43
66
50
51
63
82
88
85
82
70
75
95
95
100
97
86
72
68
71
73

Medium Clouds (% Sky Obscured)

11
18
19
19
24
20
27
21
15
13
18
23
30
25
23
19
17
15
9
7
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 (%)

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

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
13
13
12
13
14
15
16
18
18
19
20
20
19
19
18
17
17

Feels Like (°C)

11
12
11
11
11
13
13
14
14
13
11
13
14
15
16
18
19
19
19
19
19
18
17
17

Dew Point (°C)

8
8
7
7
6
8
8
9
9
9
7
8
10
11
12
13
13
14
13
13
14
14
13
13

Relative Humidity (%)

73
76
71
70
67
75
76
77
77
77
70
70
71
69
68
69
69
68
66
68
71
73
76
77

Pressure (mb)

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

Ozone (du)

274
275
275
275
275
275
275
274
274
275
274
275
275
275
274
273
272
272
273
273
273
273
274
275

Tuesday 22

Waxing Gibbous 85%

18:31

03:14

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
21 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: 21:30 - 05:33

Total Clouds (% Sky Obscured)

74
64
77
92
93
94
83
73
61
91
74
90
77
72
92
92
99
100
95
76
75
89
49
33

Low Clouds (% Sky Obscured)

70
58
72
84
87
87
77
70
61
73
68
66
57
51
6
26
50
68
65
60
63
73
35
26

Medium Clouds (% Sky Obscured)

0
0
0
9
10
7
5
6
2
13
13
18
20
19
23
22
31
20
66
50
45
14
3
0

High Clouds (% Sky Obscured)

0
0
8
0
2
21
12
16
27
46
18
16
1
21
15
66
83
43
15
0
0
75
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
8
8
9
4
7

Fog (%)

0
0
1
2
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
Light Rain
Light Rain
None
Light Rain
Light Rain
None

Precipitation Probability (%)

1
0
0
0
0
0
1
0
0
0
0
4
0
0
0
1
8
18
72
77
53
95
83
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0
1
0.4
0

Wind Speed/Direction (mph)

2
2
2
3
3
4
4
4
4
3
4
5
6
6
7
8
8
9
9
8
8
9
10
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
82
84
84
86
86
84
83
83
81
82
78
75
71
62
58
60
63
86
83
87
93
93

Pressure (mb)

1028
1028
1028
1027
1027
1026
1026
1025
1025
1025
1025
1025
1025
1025
1024
1023
1023
1022
1022
1021
1021
1020
1020
1021

Ozone (du)

276
277
277
278
278
276
275
276
278
280
279
279
279
280
281
283
284
286
289
293
297
307
310
315

Wednesday 23

Waxing Gibbous 92%

18:43

04:32

22 Bad
23 OK
00 Bad
01 Bad
02 OK
03 Bad
04 OK
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 OK
20 OK
21 OK

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: 21:27 - 05:34

Total Clouds (% Sky Obscured)

47
39
65
72
31
47
32
93
63
69
49
51
90
64
84
51
47
63
72
73
61
43
46
42

Low Clouds (% Sky Obscured)

38
34
65
72
31
40
19
47
56
67
46
46
37
44
29
27
23
21
18
12
6
0
0
0

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
60
10
1
1
12
80
19
62
21
22
43
57
61
60
43
46
42

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 (%)

3
5
4
14
6
11
2
1
0
1
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)

12
13
11
10
10
9
10
9
10
9
9
8
8
11
11
11
11
10
9
9
7
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
10
10
9
8
8
6
7
7
9
11
12
13
13
14
15
14
14
14
13
11
10

Dew Point (°C)

13
12
12
11
10
8
6
5
2
2
3
5
6
6
6
6
6
6
6
7
8
8
8
9

Relative Humidity (%)

90
87
89
83
80
75
70
66
53
51
53
60
57
53
49
48
47
47
48
50
57
66
74
79

Pressure (mb)

1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

320
324
324
320
318
314
312
309
308
307
306
305
303
302
301
299
296
295
294
292
290
289
287
287

Thursday 24

Waxing Gibbous 96%

18:54

05:50

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

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: 21:25 - 05:36

Total Clouds (% Sky Obscured)

51
52
56
60
53
20
7
9
32
36
56
52
67
63
55
18
40
3
5
0
3
0
2
4

Low 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
2
3

Medium Clouds (% Sky Obscured)

0
2
4
11
12
19
3
3
4
4
18
6
6
7
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

51
52
56
55
47
6
4
8
30
31
56
44
55
58
49
13
40
3
5
0
2
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 (%)

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)

2
2
1
2
3
3
4
4
5
5
5
5
6
7
8
8
9
8
8
8
6
5
4
3

Chance of Frost

Temperature (°C)

11
11
10
10
9
9
9
9
8
8
8
10
12
15
16
18
19
20
20
20
19
17
15
14

Feels Like (°C)

11
10
9
9
8
8
9
9
8
7
6
9
12
14
14
15
18
17
20
20
20
17
15
14

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
84
84
84
87
88
90
90
88
81
70
59
50
42
38
36
35
36
45
51
53
54

Pressure (mb)

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

Ozone (du)

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

Friday 25

Waxing Gibbous 99%

19:05

07:09

22 Good
23 OK
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 OK
18 OK
19 Good
20 Good
21 Good

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: 21:22 - 05:38

Total Clouds (% Sky Obscured)

6
27
51
75
75
75
75
75
75
100
96
92
88
92
96
99
86
72
59
40
24
7
12
17

Low Clouds (% Sky Obscured)

6
15
27
40
44
47
50
41
28
18
21
22
24
21
21
20
20
21
21
15
8
2
1
1

Medium Clouds (% Sky Obscured)

0
4
4
2
8
16
25
24
22
26
0
0
0
0
0
0
2
3
5
0
0
0
7
14

High Clouds (% Sky Obscured)

0
27
51
75
75
75
75
75
75
100
92
83
78
85
92
99
85
71
54
37
20
6
7
8

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
1
1
3
4
2
4
3
1
2
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

13
13
12
12
12
12
12
13
13
13
13
13
15
17
18
19
20
20
20
21
19
17
15
14

Feels Like (°C)

13
12
12
11
12
12
12
12
12
13
11
9
9
10
10
10
11
18
17
17
18
18
19
13

Dew Point (°C)

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

Relative Humidity (%)

54
55
55
56
56
58
59
59
60
61
61
55
49
44
39
35
32
32
33
32
38
44
50
51

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

278
278
278
277
277
278
280
281
283
287
289
287
285
283
283
283
282
283
283
283
283
283
283
283

Saturday 26

Full Moon 100%

19:18

08:30

22 OK
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
21 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: 21:20 - 05:40

Total Clouds (% Sky Obscured)

21
24
26
29
51
73
94
95
96
98
98
99
100
100
100
99
99
99
98
99
99
100
100
100

Low Clouds (% Sky Obscured)

0
3
6
10
11
13
14
13
12
12
8
4
0
3
7
11
16
19
20
36
52
65
60
53

Medium Clouds (% Sky Obscured)

20
18
16
14
25
34
42
42
44
47
59
75
91
93
95
97
96
94
94
94
95
96
95
95

High Clouds (% Sky Obscured)

10
9
9
8
38
66
93
93
94
96
92
89
84
83
83
82
87
91
96
97
98
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
8
8
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
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
18
19
20
19

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

Chance of Frost

Temperature (°C)

13
13
12
12
11
11
11
11
11
11
10
12
14
16
17
17
18
19
19
19
19
18
17
17

Feels Like (°C)

12
12
12
11
11
10
9
9
9
9
8
8
9
10
11
11
13
18
18
19
19
21
21
16

Dew Point (°C)

4
4
3
3
2
2
1
-0
1
1
1
4
7
9
9
9
10
10
11
12
13
14
16
16

Relative Humidity (%)

54
56
55
54
52
51
49
47
49
52
54
59
61
65
62
60
58
58
60
61
69
78
89
90

Pressure (mb)

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

Ozone (du)

283
283
282
282
281
281
280
280
280
280
280
280
281
281
281
281
281
282
284
285
286
287
289
289

Sunday 27

Waning Gibbous 98%

19:33

09:55

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: 07:36, 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: 21:17 - 05:42

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

56
64
69
69
72
76
83
85
87
87
85
79
77
73
70
69

Medium Clouds (% Sky Obscured)

95
95
95
95
92
91
89
93
94
95
94
92
90
88
87
85

High Clouds (% Sky Obscured)

100
96
92
86
89
92
94
95
98
100
100
100
100
100
99
99

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
13
10
6
9
10
8
11
15
16
16
15
10
17
18
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
4
4
4
5
5
4
4
4
5
5
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
17
17
17
17
16
16
16
16
16
16
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
90
92
90
90
92
92
92
92
90
88
86
84
81

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

290
291
293
294
296
296
297
298
299
299
299
299
299
298
301
304

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

Generated: 21/09/26 21:32:21. Forecast: 21/09/26 to 27/09/26. Timezone: UTC+2.00