Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 7%

07:08

23:43

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

Sun - Rise: 06:02, Set: 20:09, Transit: 13:06. Moon - Rise: 07:08, Set: 23:43. Civil Dark: 20:44 - 05:26. Nautical Dark: 21:28 - 04:42. Astro Dark: 22:18 - 03:51

Total Clouds (% Sky Obscured)

54
58
56
60
61
58
37
35
30
4
7
23
49
58
64
67
26
15
78
100
100
95
86
79

Low Clouds (% Sky Obscured)

54
54
33
51
49
48
29
17
0
1
0
0
33
53
64
67
26
7
6
26
13
1
0
0

Medium Clouds (% Sky Obscured)

30
9
22
35
16
19
37
34
29
4
3
12
10
7
3
5
18
15
71
100
100
95
86
79

High Clouds (% Sky Obscured)

53
8
39
60
12
58
37
35
30
4
7
23
45
55
64
67
26
15
78
100
100
94
66
67

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
11
11
3
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
8
8
8
8
7
6
6
6
6
7
7
7
7
7
6
7
8
10
11
11
11
11
12

Chance of Frost

Temperature (°C)

15
15
14
13
12
10
9
7
7
6
6
5
5
5
5
5
5
7
9
10
11
12
12
13

Feels Like (°C)

12
11
11
10
9
7
5
4
4
3
3
2
2
2
2
1
2
4
4
5
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

54
55
57
63
71
72
70
73
72
72
75
78
83
90
91
93
90
82
70
60
57
55
54
53

Pressure (mb)

1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023

Ozone (du)

390
388
387
385
383
383
384
384
384
383
383
382
383
385
388
391
392
393
395
396
396
396
397
398

Monday 20

Waxing Crescent 14%

08:01

01:04

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

Sun - Rise: 06:00, Set: 20:11, Transit: 13:06. Moon - Rise: 08:01, Set: 01:04. Civil Dark: 20:46 - 05:24. Nautical Dark: 21:30 - 04:39. Astro Dark: 22:21 - 03:48

Total Clouds (% Sky Obscured)

60
33
22
10
12
10
28
22
51
77
74
83
91
80
31
41
45
81
53
68
88
34
65
53

Low Clouds (% Sky Obscured)

0
0
2
0
8
5
0
1
43
7
3
8
34
25
27
7
43
28
46
50
64
27
22
11

Medium Clouds (% Sky Obscured)

60
33
22
10
12
10
28
22
51
77
74
77
37
40
8
22
7
43
16
25
53
7
0
2

High Clouds (% Sky Obscured)

60
33
22
10
12
10
8
1
0
0
0
2
34
2
1
3
2
8
1
7
3
9
55
50

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
1
0
3
14
4
10
7
2
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)

11
11
10
10
9
7
7
7
8
9
9
9
9
10
11
10
11
13
15
15
16
17
17
20

Chance of Frost

Temperature (°C)

13
12
12
11
10
8
7
7
6
6
6
5
5
4
4
4
4
6
8
10
12
13
12
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
57
60
68
73
78
79
76
76
81
86
90
93
94
94
96
96
90
78
69
66
64
76
63

Pressure (mb)

1023
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

400
403
402
402
398
395
394
393
392
389
386
385
384
384
383
382
384
383
382
383
383
383
382
380

Tuesday 21

Waxing Crescent 24%

09:11

02:08

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

Sun - Rise: 05:58, Set: 20:12, Transit: 13:06. Moon - Rise: 09:11, Set: 02:08. Civil Dark: 20:48 - 05:22. Nautical Dark: 21:32 - 04:37. Astro Dark: 22:24 - 03:45

Total Clouds (% Sky Obscured)

59
53
8
3
0
6
7
12
11
26
38
56
95
98
96
70
13
6
17
3
6
4
9
17

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

59
47
8
3
0
6
7
12
11
26
38
56
95
96
86
55
13
6
16
3
6
4
9
12

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
2
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)

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

Chance of Frost

Temperature (°C)

14
14
14
13
12
10
9
8
8
8
8
8
8
8
7
7
7
8
10
12
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
63
67
66
69
72
76
74
71
70
73
74
75
75
76
76
78
77
72
66
60
55
52
52

Pressure (mb)

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

Ozone (du)

380
378
377
376
375
375
375
376
376
375
375
375
374
373
372
372
373
375
377
379
380
380
378
375

Wednesday 22

Waxing Crescent 35%

10:33

02:53

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

Sun - Rise: 05:56, Set: 20:14, Transit: 13:06. Moon - Rise: 10:33, Set: 02:53. Civil Dark: 20:50 - 05:20. Nautical Dark: 21:35 - 04:35. Astro Dark: 22:26 - 03:42

Total Clouds (% Sky Obscured)

17
2
8
11
30
30
35
40
40
40
22
7
8
10
24
12
19
27
36
26
17
7
36
36

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
10
19
27
36
26
13
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)

17
2
8
5
10
10
10
10
15
10
5
1
2
1
5
1
0
1
1
1
3
7
36
26

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)

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

Chance of Frost

Temperature (°C)

15
15
15
14
14
12
10
9
9
8
7
7
7
6
6
6
6
8
10
12
13
14
15
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
59
61
64
68
70
72
67
64
66
70
74
78
83
86
88
82
77
71
64
59
57
55
54

Pressure (mb)

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

Ozone (du)

374
375
375
375
374
373
372
371
370
370
369
366
364
365
365
364
364
363
362
362
362
363
363
363

Thursday 23

Waxing Crescent 46%

11:58

03:23

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

Sun - Rise: 05:54, Set: 20:15, Transit: 13:05. Moon - Rise: 11:58, Set: 03:23. Civil Dark: 20:51 - 05:18. Nautical Dark: 21:37 - 04:32. Astro Dark: 22:29 - 03:39

Total Clouds (% Sky Obscured)

37
35
43
42
52
65
78
60
40
26
45
59
68
78
84
93
77
74
71
48
26
3
2
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
16
31
46
53
65
79
65
63
60
41
21
3
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
6
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
26
21
25
42
58
75
57
40
26
24
23
16
26
36
47
20
12
8
7
10
3
2
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)

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

Chance of Frost

Temperature (°C)

16
16
15
14
13
11
10
8
7
6
6
5
5
4
4
4
4
6
8
10
11
13
14
15

Feels Like (°C)

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

Dew Point (°C)

7
8
8
9
8
8
5
3
3
3
3
3
3
3
2
1
0
1
1
2
3
3
4
5

Relative Humidity (%)

56
58
64
68
72
79
72
68
73
76
80
85
88
88
85
80
76
70
63
58
54
52
50
50

Pressure (mb)

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

Ozone (du)

363
362
362
363
364
364
364
363
362
361
362
362
362
360
361
362
362
362
361
361
361
361
361
361

Friday 24

First Quarter 58%

13:21

03:45

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

Sun - Rise: 05:52, Set: 20:17, Transit: 13:05. Moon - Rise: 13:21, Set: 03:45. Civil Dark: 20:53 - 05:16. Nautical Dark: 21:39 - 04:30. Astro Dark: 22:32 - 03:36

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
7
11
7
4
2
2
3
4
3
3
3
3
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
0
3
7
11
7
4
0
0
1
1
3
3
3
3
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
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)

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

Chance of Frost

Temperature (°C)

16
16
15
14
14
12
10
9
7
6
5
4
3
3
3
3
3
6
8
11
12
13
14
15

Feels Like (°C)

12
12
12
12
12
10
10
10
9
9
8
2
2
2
2
2
2
2
3
4
5
6
7
13

Dew Point (°C)

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

Relative Humidity (%)

51
53
57
64
71
76
80
84
85
88
89
88
89
89
86
85
83
74
65
57
55
53
50
50

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

362
362
363
365
366
368
370
372
373
375
377
377
377
377
378
380
381
384
386
388
393
398
403
404

Saturday 25

Waxing Gibbous 68%

14:40

04:01

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

Sun - Rise: 05:50, Set: 20:19, Transit: 13:05. Moon - Rise: 14:40, Set: 04:01. Civil Dark: 20:55 - 05:13. Nautical Dark: 21:41 - 04:27. Astro Dark: 22:35 - 03:33

Total Clouds (% Sky Obscured)

2
14
26
42
52
60
67
49
31
7
8
9
7
20
29
36
36
36
36
35
33
32

Low Clouds (% Sky Obscured)

0
0
0
0
12
23
35
30
26
7
8
9
2
3
4
5
8
11
13
13
14
12

Medium Clouds (% Sky Obscured)

0
9
19
28
41
53
67
38
18
0
0
0
0
0
0
0
8
17
28
21
12
1

High Clouds (% Sky Obscured)

1
3
7
12
8
8
0
0
0
0
1
2
3
20
29
36
36
36
36
35
33
32

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
14
14
12
10
9
8
8
8
7
5
4
4
4
4
6
7
9
10
11

Feels Like (°C)

12
12
12
12
13
10
10
10
10
9
8
6
6
5
4
3
3
2
2
3
3
4

Dew Point (°C)

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

Relative Humidity (%)

51
51
56
62
69
72
76
78
78
78
77
82
88
94
93
91
91
80
71
62
59
55

Pressure (mb)

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

Ozone (du)

404
404
412
420
429
424
419
414
407
400
393
391
389
387
386
386
385
385
385
385
385
385

Forecast for Swanage, Dorset, United Kingdom (50.61,-1.96)

Generated: 19/04/26 15:05:47. Forecast: 19/04/26 to 25/04/26. Timezone: UTC+1.00