Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 35%

10:27

02:58

17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Good
02 OK
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

Sun - Rise: 05:53, Set: 20:16, Transit: 13:05. Moon - Rise: 10:27, Set: 02:58. Civil Dark: 20:52 - 05:16. Nautical Dark: 21:39 - 04:29. Astro Dark: 22:33 - 03:34

Total Clouds (% Sky Obscured)

31
46
58
68
100
100
47
22
6
32
53
70
77
82
79
61
49
22
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
32
53
70
77
82
79
61
49
22
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)

31
46
58
68
100
100
47
22
6
3
6
7
3
3
3
3
3
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)

19
17
15
13
11
12
12
12
10
9
9
9
10
10
11
12
14
15
15
15
15
15
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
10
9
7
5
3
2
2
2
3
3
3
2
2
2
4
5
7
9
10
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

64
65
69
72
76
78
81
81
83
88
93
94
94
94
93
85
77
69
66
62
58
55
54
60

Pressure (mb)

1025
1025
1025
1026
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028

Ozone (du)

375
374
373
372
370
369
366
366
366
366
365
365
365
365
366
366
365
366
367
368
368
368
370
370

Thursday 23

Waxing Crescent 46%

11:53

03:27

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

Sun - Rise: 05:51, Set: 20:17, Transit: 13:05. Moon - Rise: 11:53, Set: 03:27. Civil Dark: 20:54 - 05:14. Nautical Dark: 21:41 - 04:26. Astro Dark: 22:36 - 03:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
45
48
45
37
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
45
48
45
37
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)

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

Chance of Frost

Temperature (°C)

17
16
15
13
12
10
9
7
6
5
5
4
4
3
4
4
6
8
11
13
15
16
17
17

Feels Like (°C)

15
14
14
12
10
8
6
5
4
3
3
2
2
1
2
2
3
5
8
11
13
13
14
15

Dew Point (°C)

10
10
10
9
7
5
4
4
5
4
2
1
-0
-1
-1
-1
-1
0
2
4
5
6
6
7

Relative Humidity (%)

61
64
69
76
75
71
74
82
90
90
85
79
76
73
72
67
60
58
55
53
51
50
50
52

Pressure (mb)

1028
1027
1027
1028
1028
1028
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1025
1024

Ozone (du)

370
371
373
373
373
371
370
371
371
371
371
371
371
371
369
367
364
362
361
360
358
359
360
360

Friday 24

First Quarter 58%

13:17

03:47

17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK
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

Sun - Rise: 05:49, Set: 20:19, Transit: 13:05. Moon - Rise: 13:17, Set: 03:47. Civil Dark: 20:56 - 05:11. Nautical Dark: 21:43 - 04:24. Astro Dark: 22:39 - 03:27

Total Clouds (% Sky Obscured)

12
8
11
0
0
0
1
10
31
45
89
85
86
58
88
100
97
100
100
100
100
100
100
98

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
7
17
14
19
20
28
62
94
100
100
100
100
100
98

High Clouds (% Sky Obscured)

12
8
11
0
0
0
1
10
16
17
69
85
82
58
88
78
83
100
100
100
100
100
100
72

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
2
2
2
2
2
2
2
2
2
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
15
12
8
7
8
7
4
3
3
2
3
2
4
6
8
10
12
13
14
14
14
14

Dew Point (°C)

9
10
11
10
8
7
6
4
3
2
2
2
2
2
2
3
5
6
6
6
7
7
7
7

Relative Humidity (%)

60
66
77
80
83
85
84
81
79
80
82
82
83
83
83
75
70
66
59
54
55
54
54
54

Pressure (mb)

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

Ozone (du)

359
360
361
363
363
363
361
361
362
362
362
361
361
362
363
363
362
362
364
365
366
369
372
373

Saturday 25

Waxing Gibbous 68%

14:37

04:03

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

Sun - Rise: 05:47, Set: 20:21, Transit: 13:04. Moon - Rise: 14:37, Set: 04:03. Civil Dark: 20:58 - 05:09. Nautical Dark: 21:45 - 04:21. Astro Dark: 22:42 - 03:24

Total Clouds (% Sky Obscured)

95
93
92
90
88
85
83
80
56
50
68
72
65
45
47
50
54
70
85
96
91
86
82
87

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
14
26
36
36
36
39
36
30
25
26
25
24
30

Medium Clouds (% Sky Obscured)

95
93
92
90
88
85
83
45
41
38
63
66
56
36
27
19
13
15
18
20
23
19
19
27

High Clouds (% Sky Obscured)

40
15
1
1
0
10
10
15
1
1
2
0
0
0
0
0
0
26
54
86
72
53
36
53

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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

Chance of Frost

Temperature (°C)

16
15
15
13
12
11
10
9
8
8
8
8
7
7
7
8
10
11
13
14
15
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
65
69
70
71
71
74
74
77
82
84
84
79
79
78
74
71
65
64
62
61
61
63
63

Pressure (mb)

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

Ozone (du)

373
373
374
376
378
380
381
381
382
384
385
383
383
382
381
382
383
384
385
383
382
380
379
377

Sunday 26

Waxing Gibbous 78%

15:54

04:15

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

Sun - Rise: 05:45, Set: 20:22, Transit: 13:04. Moon - Rise: 15:54, Set: 04:15. Civil Dark: 21:00 - 05:07. Nautical Dark: 21:47 - 04:19. Astro Dark: 22:45 - 03:20

Total Clouds (% Sky Obscured)

92
92
82
61
48
58
65
70
67
64
61
69
70
75
32
46
53
70
72
71
48
24
0
0

Low Clouds (% Sky Obscured)

30
29
23
10
2
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

48
55
58
45
30
39
42
47
49
43
42
36
27
22
4
4
4
4
7
11
12
7
0
0

High Clouds (% Sky Obscured)

67
85
61
37
11
7
4
0
1
1
1
16
31
46
1
1
1
1
1
1
2
2
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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

8
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
8
13
15
16
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
73
74
74
73
78
85
87
90
88
90
88
88
90
87
82
77
75
69
66
61
62
61
61

Pressure (mb)

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

Ozone (du)

377
377
377
377
378
377
378
378
378
379
383
390
388
384
382
382
382
382
384
385
387
387
387
387

Monday 27

Waxing Gibbous 86%

No Rise

04:26

17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK
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

Sun - Rise: 05:43, Set: 20:24, Transit: 13:04. Moon - Rise: No Rise, Set: 04:26. Civil Dark: 21:01 - 05:05. Nautical Dark: 21:50 - 04:16. Astro Dark: 22:48 - 03:17

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
8
22
28
47
59
68
68
62
59
58
64
60
73
86
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
8
22
28
45
52
63
63
62
59
58
64
53
57
61
65
63

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
14
10
4
10
16
22
40
63
90
91

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

16
9
10
8
1
1
1
0
2
3
1
0
0
0
0
0
0
2
3
3
11
14
17
17

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
7
6
5
4
5
5
6
6
6
7
7
8
8
9
11
12
12
12
11
12
12
12

Chance of Frost

Temperature (°C)

16
16
15
14
12
10
10
9
9
9
9
9
8
8
7
8
9
11
12
13
14
13
13
12

Feels Like (°C)

17
16
16
13
13
13
12
11
10
8
7
7
7
7
7
5
5
6
7
7
8
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

65
72
78
80
83
87
88
88
90
91
91
91
93
94
96
88
82
76
71
66
62
68
72
76

Pressure (mb)

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

Ozone (du)

387
387
388
388
388
388
388
388
388
388
389
389
388
388
388
388
388
388
389
389
390
391
391
392

Tuesday 28

Waxing Gibbous 93%

17:09

04:37

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

Sun - Rise: 05:41, Set: 20:25, Transit: 13:04. Moon - Rise: 17:09, Set: 04:37. Civil Dark: 21:03 - 05:03. Nautical Dark: 21:52 - 04:14. Astro Dark: 22:51 - 03:13

Total Clouds (% Sky Obscured)

99
100
96
91
86
76
66
57
42
35
31
53
75
98
99
99
98
99
99
99

Low Clouds (% Sky Obscured)

61
59
63
67
68
70
66
57
42
35
31
53
73
93
94
97
95
94
93
94

Medium Clouds (% Sky Obscured)

15
10
10
9
13
19
15
14
10
6
0
0
0
0
7
14
22
16
21
18

High Clouds (% Sky Obscured)

91
78
50
25
2
2
2
1
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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

16
9
15
16
16
18
17
15
11
7
0
1
2
1
7
10
11
11
11
11

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

12
11
11
10
9
9
8
6
5
5
5
5
5
6
6
7
8
8
8
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
80
83
84
87
88
91
96
96
96
96
94
94
91
91
93
91
93
91

Pressure (mb)

1021
1021
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

391
390
389
389
388
388
388
387
387
388
389
390
391
391
392
391
391
391
390
390

Forecast for Swindon, Swindon, United Kingdom (51.56,-1.78)

Generated: 22/04/26 17:15:06. Forecast: 22/04/26 to 28/04/26. Timezone: UTC+1.00