Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 78%

16:25

04:48

20 Bad
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

Sun - Rise: 06:16, Set: 20:56, Transit: 13:37. Moon - Rise: 16:25, Set: 04:48. Civil Dark: 21:34 - 05:37. Nautical Dark: 22:23 - 04:48. Astro Dark: 23:22 - 03:48

Total Clouds (% Sky Obscured)

75
57
100
100
100
100
100
91
87
96
99
100
100
100
98
88
79
75
93
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
1
96
97
90
87
84
88
94
94
100
91
88
79
75
93
99
100
100
100
100

High Clouds (% Sky Obscured)

11
21
25
100
100
100
72
14
10
86
92
100
100
100
95
65
5
5
2
1
1
3
96
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

13
11
9
8
7
7
6
6
5
5
5
5
6
8
10
12
14
15
16
17
17
16
15
14

Feels Like (°C)

10
8
5
5
4
4
3
2
2
2
2
2
4
5
7
9
11
13
14
14
14
14
12
10

Dew Point (°C)

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

Relative Humidity (%)

64
69
74
81
82
82
81
79
78
78
75
75
72
66
60
53
46
42
39
36
36
36
40
48

Pressure (mb)

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

Ozone (du)

367
368
369
369
368
369
371
372
375
375
373
373
374
377
376
376
377
381
385
388
391
396
402
402

Monday 27

Waxing Gibbous 86%

17:40

04:58

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

Sun - Rise: 06:14, Set: 20:58, Transit: 13:36. Moon - Rise: 17:40, Set: 04:58. Civil Dark: 21:36 - 05:35. Nautical Dark: 22:25 - 04:46. Astro Dark: 23:25 - 03:44

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
96
86
94
92
83
67
79
63
47
31
25
4
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

4
4
11
25
14
33
24
20
18
9
12
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
99
96
95
99
99
92
73
56
48
49
51
59
37
36
22
18
3
1
0
0
0
0
0

High Clouds (% Sky Obscured)

10
14
86
95
100
99
58
53
94
92
73
11
33
12
14
10
7
3
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 (%)

1
1
0
0
1
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

12
11
10
9
9
9
8
7
7
6
6
6
7
9
11
13
15
16
17
18
18
18
18
17

Feels Like (°C)

9
8
7
6
5
5
4
4
4
3
2
3
4
6
8
9
11
13
14
15
15
16
15
14

Dew Point (°C)

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

Relative Humidity (%)

54
59
65
66
63
67
70
71
71
71
72
75
70
63
55
51
47
44
42
42
42
44
47
51

Pressure (mb)

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

Ozone (du)

401
402
405
406
409
411
413
416
418
417
417
419
418
415
411
408
407
407
406
405
401
397
394
394

Tuesday 28

Waxing Gibbous 92%

18:55

05:08

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

Sun - Rise: 06:12, Set: 20:59, Transit: 13:36. Moon - Rise: 18:55, Set: 05:08. Civil Dark: 21:38 - 05:33. Nautical Dark: 22:27 - 04:43. Astro Dark: 23:29 - 03:41

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
6
8
8
2
2
2
5
1
0
2
2
1
2
1
2

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
0
0

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
5
6
1
2
2
5
1
0
1
2
1
2
1
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)

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

Chance of Frost

Temperature (°C)

16
14
12
12
11
10
9
9
8
8
7
7
8
10
12
14
16
17
18
18
19
19
18
17

Feels Like (°C)

13
12
10
9
8
8
6
6
6
5
4
3
5
7
9
10
12
13
14
14
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

54
54
58
63
67
69
70
70
71
73
71
71
67
60
52
46
41
38
36
36
37
41
45
49

Pressure (mb)

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

Ozone (du)

394
392
390
389
388
389
389
388
388
389
389
390
389
388
386
385
386
385
384
383
382
382
382
381

Wednesday 29

Waxing Gibbous 97%

No Rise

05:19

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

Sun - Rise: 06:10, Set: 21:01, Transit: 13:36. Moon - Rise: No Rise, Set: 05:19. Civil Dark: 21:40 - 05:31. Nautical Dark: 22:30 - 04:40. Astro Dark: 23:32 - 03:37

Total Clouds (% Sky Obscured)

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

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
0
0

Medium 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

High Clouds (% Sky Obscured)

2
2
4
4
2
2
1
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
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)

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

Chance of Frost

Temperature (°C)

16
14
13
12
11
10
10
9
8
8
7
7
8
10
12
14
15
17
18
19
19
20
19
18

Feels Like (°C)

13
11
9
9
7
7
7
6
5
4
4
4
5
7
8
10
11
12
14
15
16
17
17
15

Dew Point (°C)

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

Relative Humidity (%)

53
53
55
57
59
61
59
58
57
54
54
55
53
47
43
40
37
36
36
35
37
40
44
51

Pressure (mb)

1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1027
1026
1026
1025
1024
1024
1024

Ozone (du)

379
377
374
373
372
371
371
371
371
372
372
373
374
374
375
377
378
379
380
381
381
381
380
380

Thursday 30

Waxing Gibbous 99%

20:10

05:32

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

Sun - Rise: 06:08, Set: 21:03, Transit: 13:36. Moon - Rise: 20:10, Set: 05:32. Civil Dark: 21:41 - 05:29. Nautical Dark: 22:32 - 04:38. Astro Dark: 23:35 - 03:33

Total Clouds (% Sky Obscured)

0
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
0
0

Medium 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

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
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)

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

Chance of Frost

Temperature (°C)

16
15
14
13
13
12
11
10
10
9
9
9
11
13
15
16
18
19
20
21
21
22
21
20

Feels Like (°C)

13
12
11
10
10
10
9
8
8
7
7
7
8
9
10
10
11
12
13
18
17
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

57
58
58
58
59
61
64
66
68
70
72
72
69
62
56
51
48
46
43
44
44
45
51
56

Pressure (mb)

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

Ozone (du)

380
381
382
383
384
384
384
383
383
383
383
384
383
384
385
385
385
386
386
386
385
385
385
385

Friday 1

Full Moon 100%

21:25

05:48

20 Good
21 Good
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 Bad
18 Bad
19 Bad

Sun - Rise: 06:06, Set: 21:04, Transit: 13:36. Moon - Rise: 21:25, Set: 05:48. Civil Dark: 21:43 - 05:27. Nautical Dark: 22:34 - 04:35. Astro Dark: 23:39 - 03:29

Total Clouds (% Sky Obscured)

0
0
0
33
65
97
96
96
100
100
100
100
99
98
98
98
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
3
7
12
31
49
67
69
70
71
50
29
10
27
45
62
67
70
69
58
42
29

Medium Clouds (% Sky Obscured)

0
0
0
3
5
13
39
66
92
92
92
92
78
67
58
59
64
65
76
78
82
80
80
79

High Clouds (% Sky Obscured)

0
0
0
32
64
95
95
96
100
100
100
100
77
55
32
57
78
99
99
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
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
3
8
14
22
29
37
45
38
8
27
24
8
39
34
22
28
23
17
12
7
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)

8
7
7
7
7
6
7
6
5
5
6
7
7
8
10
11
11
11
11
10
10
10
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
16
16
16
15
15
14
10
11
11
11
11
11
12
12
12
13
14
14
15
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

61
63
65
67
74
80
87
87
87
89
86
86
84
76
68
63
63
63
64
64
65
66
68
69

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

385
385
384
383
382
380
379
378
377
375
377
379
381
381
381
380
380
379
379
379
379
379
379
378

Saturday 2

Waning Gibbous 98%

22:40

06:10

20 Bad
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: 06:04, Set: 21:06, Transit: 13:36. Moon - Rise: 22:40, Set: 06:10. Civil Dark: 21:45 - 05:25. Nautical Dark: 22:37 - 04:33. Astro Dark: 23:43 - 03:25

Total Clouds (% Sky Obscured)

100
100
100
96
92
89
92
96
100
100
100
100
89
78
67
63
58
52

Low Clouds (% Sky Obscured)

13
5
0
1
2
6
17
22
30
32
34
32
39
45
52
50
48
49

Medium Clouds (% Sky Obscured)

65
46
39
39
40
40
43
47
50
58
59
63
63
63
63
42
21
0

High Clouds (% Sky Obscured)

100
100
100
89
82
81
89
94
100
100
100
100
86
60
39
29
14
6

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

3
3
2
3
3
0
1
2
0
1
1
0
1
2
1
5
6
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
76
83
90
88
85
83
83
83
84
82
81
81
75
68
63
61
59

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

378
378
378
379
380
381
382
384
385
387
389
390
392
391
390
389
388
386

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

Generated: 26/04/26 20:10:08. Forecast: 26/04/26 to 02/05/26. Timezone: UTC+2.00