Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 24%

07:45

01:10

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

Sun - Rise: 05:52, Set: 20:11, Transit: 13:01. Moon - Rise: 07:45, Set: 01:10. Civil Dark: 20:48 - 05:15. Nautical Dark: 21:35 - 04:28. Astro Dark: 22:27 - 03:33

Total Clouds (% Sky Obscured)

2
16
16
25
54
61
78
85
80
48
21
60
54
77
94
67
55
30
3
1
1
0
0
0

Low Clouds (% Sky Obscured)

2
16
16
25
54
61
72
79
73
36
21
60
54
61
84
67
48
30
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
8
16
13
8
0
16
9
17
26
15
22
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
1
4
3
1
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
3
4
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
1
0
0
2
0
0
0
0
0
15
7
2
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)

8
7
7
6
6
7
7
7
7
8
12
14
15
15
15
13
16
17
16
16
16
16
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
98
96
96
98
100
100
100
98
87
75
69
66
71
69
55
54
56
62
62
64
67
74

Pressure (mb)

1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1026
1026
1027

Ozone (du)

423
424
422
421
419
417
414
413
414
415
412
408
407
407
407
407
409
409
407
404
400
397
395
394

Tuesday 21

Waxing Crescent 35%

08:56

02:14

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

Sun - Rise: 05:50, Set: 20:13, Transit: 13:01. Moon - Rise: 08:56, Set: 02:14. Civil Dark: 20:50 - 05:12. Nautical Dark: 21:37 - 04:25. Astro Dark: 22:30 - 03:30

Total Clouds (% Sky Obscured)

9
0
24
42
45
51
59
64
59
58
4
4
21
43
23
0
0
0
0
0
0
2
47
28

Low Clouds (% Sky Obscured)

9
0
24
42
45
51
59
64
59
58
4
4
21
43
23
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)

3
0
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
33
28

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)

11
11
11
10
10
10
10
10
10
10
12
13
16
17
17
16
16
16
15
14
14
13
10
8

Chance of Frost

Temperature (°C)

6
5
5
4
4
4
3
3
4
4
6
9
11
13
14
15
16
16
16
15
14
13
11
9

Feels Like (°C)

3
2
2
1
1
0
0
1
1
1
3
5
7
9
10
11
12
12
12
12
11
10
9
7

Dew Point (°C)

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

Relative Humidity (%)

79
86
89
93
94
94
96
96
94
93
86
77
67
62
58
56
53
53
54
60
64
70
75
80

Pressure (mb)

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

Ozone (du)

395
395
395
394
392
392
391
390
388
384
381
378
376
373
371
372
374
374
374
374
375
374
375
377

Wednesday 22

Waxing Crescent 46%

10:20

02:57

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

Sun - Rise: 05:47, Set: 20:15, Transit: 13:01. Moon - Rise: 10:20, Set: 02:57. Civil Dark: 20:52 - 05:10. Nautical Dark: 21:39 - 04:23. Astro Dark: 22:33 - 03:26

Total Clouds (% Sky Obscured)

97
96
100
43
42
63
68
75
85
75
63
52
16
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
34
53
68
74
85
75
63
52
16
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)

72
96
100
43
42
45
12
1
0
0
0
2
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
2
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)

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

Chance of Frost

Temperature (°C)

7
6
5
4
4
4
3
3
3
4
5
7
9
12
14
15
16
17
17
17
16
14
11
9

Feels Like (°C)

5
3
1
0
0
-1
-1
1
1
2
3
4
7
9
11
13
14
15
14
14
14
12
9
7

Dew Point (°C)

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

Relative Humidity (%)

84
85
90
91
93
94
94
96
94
91
82
73
66
59
56
53
53
53
53
60
65
71
78
87

Pressure (mb)

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

Ozone (du)

379
380
381
382
382
379
379
380
382
384
389
392
394
394
394
395
394
394
393
390
386
383
381
379

Thursday 23

Waxing Crescent 58%

11:47

03:26

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

Sun - Rise: 05:45, Set: 20:16, Transit: 13:01. Moon - Rise: 11:47, Set: 03:26. Civil Dark: 20:54 - 05:08. Nautical Dark: 21:42 - 04:20. Astro Dark: 22:36 - 03:23

Total Clouds (% Sky Obscured)

0
0
0
11
20
30
40
43
48
39
29
17
11
6
0
0
0
1
1
2
2
2
2
3

Low Clouds (% Sky Obscured)

0
0
0
9
19
30
40
43
48
39
29
17
11
6
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
1
1
2
1
2
1
1

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

Chance of Frost

Temperature (°C)

7
6
5
4
3
2
2
2
1
2
5
7
9
11
13
15
15
16
17
16
15
14
11
8

Feels Like (°C)

5
4
3
2
1
1
0
-0
-1
1
2
5
6
8
10
12
13
13
14
14
13
12
9
7

Dew Point (°C)

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

Relative Humidity (%)

91
94
93
94
96
96
94
94
94
91
79
69
62
56
55
54
53
50
51
57
64
70
78
84

Pressure (mb)

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

Ozone (du)

378
379
378
377
377
378
380
385
389
389
382
373
368
367
367
366
365
365
364
364
364
364
365
367

Friday 24

First Quarter 68%

13:11

03:45

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

Sun - Rise: 05:43, Set: 20:18, Transit: 13:01. Moon - Rise: 13:11, Set: 03:45. Civil Dark: 20:56 - 05:06. Nautical Dark: 21:44 - 04:17. Astro Dark: 22:39 - 03:19

Total Clouds (% Sky Obscured)

4
3
3
28
53
78
79
90
96
89
78
56
57
22
6
15
21
22
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
26
53
78
79
90
95
86
78
56
46
22
3
2
1
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
2
4
3
4
2
4
3
11
11
4
18
3
3
8
13
21
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)

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

Chance of Frost

Temperature (°C)

7
5
4
3
3
2
2
2
2
3
5
7
8
10
12
14
15
16
16
16
15
15
13
11

Feels Like (°C)

5
4
2
1
1
0
0
0
0
1
2
5
6
8
11
13
13
14
14
14
14
14
12
12

Dew Point (°C)

5
4
3
1
1
1
0
-0
-0
-1
-1
-0
0
1
2
3
4
5
5
7
8
10
8
7

Relative Humidity (%)

88
90
89
88
88
88
88
86
86
77
67
62
57
53
50
47
47
47
48
54
62
70
74
77

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025

Ozone (du)

367
366
366
364
364
362
359
359
359
359
359
359
360
361
360
360
359
359
359
360
362
363
364
365

Saturday 25

Waxing Gibbous 78%

14:32

04:00

22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
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: 05:41, Set: 20:20, Transit: 13:00. Moon - Rise: 14:32, Set: 04:00. Civil Dark: 20:57 - 05:03. Nautical Dark: 21:46 - 04:15. Astro Dark: 22:42 - 03:16

Total Clouds (% Sky Obscured)

0
5
5
11
17
27
51
81
100
93
86
80
77
70
61
64
60
55
69
83
97
98
99
100

Low Clouds (% Sky Obscured)

0
0
0
6
12
18
39
58
78
61
33
8
6
3
0
0
0
0
0
0
0
4
3
8

Medium Clouds (% Sky Obscured)

0
5
5
11
17
27
43
43
56
62
55
44
38
33
36
32
32
24
21
18
15
28
40
53

High Clouds (% Sky Obscured)

0
5
5
11
17
27
50
72
100
73
45
18
33
48
61
45
27
12
38
63
90
93
97
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
2
8
8
9
3
4
2
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
4
3
3
3
3
2
2
2
2
3
3
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

9
8
7
6
5
5
4
4
4
5
6
8
10
12
14
15
16
17
18
17
17
17
15
13

Feels Like (°C)

12
11
10
8
3
3
2
2
2
2
2
3
4
5
7
8
15
16
16
17
17
18
14
13

Dew Point (°C)

6
5
4
2
1
0
-1
0
1
2
3
4
5
6
8
9
9
10
10
11
12
12
11
9

Relative Humidity (%)

82
81
79
78
75
73
72
75
79
82
79
74
71
68
67
65
64
63
62
66
70
72
75
77

Pressure (mb)

1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1025
1025

Ozone (du)

366
367
368
369
369
370
370
371
372
373
373
374
374
373
373
372
372
371
371
371
371
372
373
375

Sunday 26

Waxing Gibbous 74%

15:50

04:11

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

Sun - Rise: 05:39, Set: 20:21, Transit: 13:00. Moon - Rise: 15:50, Set: 04:11. Civil Dark: 20:59 - 05:01. Nautical Dark: 21:48 - 04:12. Astro Dark: 22:45 - 03:12

Total Clouds (% Sky Obscured)

73
43
15
11
6
2
11
21
28
26
25
23
42
51
63
50
30
26
33
39
29

Low Clouds (% Sky Obscured)

6
3
0
0
0
0
10
21
28
26
25
21
21
20
21
22
24
26
19
13
5

Medium Clouds (% Sky Obscured)

48
43
15
11
6
2
11
11
2
2
1
0
3
10
15
12
11
9
9
6
1

High Clouds (% Sky Obscured)

73
43
15
11
6
0
0
0
0
1
2
3
20
40
62
49
27
2
4
6
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

4
4
3
4
3
3
4
3
3
3
4
6
7
8
8
9
9
10
11
10
10

Chance of Frost

Temperature (°C)

11
10
9
8
7
6
6
6
6
6
9
11
14
15
16
17
17
17
17
17
16

Feels Like (°C)

12
11
10
10
5
5
5
4
4
3
6
8
9
10
10
11
16
16
15
16
16

Dew Point (°C)

8
7
6
4
4
4
3
3
4
4
5
7
8
8
8
9
9
9
9
9
9

Relative Humidity (%)

81
80
78
78
81
82
85
85
86
86
80
73
69
66
61
59
58
57
57
62
66

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024

Ozone (du)

376
379
382
385
384
383
383
382
382
381
380
380
379
378
376
375
373
371
369
369
368

Forecast for Crownhill, Milton Keynes, United Kingdom (52.03,-0.81)

Generated: 20/04/26 22:33:55. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+1.00