Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 0%

06:00

20:42

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:03, Set: 20:07, Transit: 13:06. Moon - Rise: 06:00, Set: 20:42. Civil Dark: 20:43 - 05:27. Nautical Dark: 21:28 - 04:42. Astro Dark: 22:19 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
98
88
86
88
100
100
100
94
100
100
90
100
90
79
85
95
99
49
57
58
58

Low Clouds (% Sky Obscured)

78
81
72
96
79
67
81
100
100
89
88
100
91
57
40
8
32
33
37
40
49
57
58
58

Medium Clouds (% Sky Obscured)

59
61
83
62
63
65
60
73
80
85
50
88
86
58
96
70
68
60
94
99
2
0
0
0

High Clouds (% Sky Obscured)

100
98
93
73
61
24
18
4
6
19
3
3
6
45
69
36
13
18
74
64
4
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
9
9
9
8
8
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
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
15
15
29
46
40
27
48
58
42
30
5
4
2
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
83
78
72
73
76
86
93
93
93
95
96
98
95
93
91
95
94
94
96
98
96
94

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

366
368
368
368
366
364
365
368
371
368
364
365
370
371
373
373
373
375
376
380
384
384
386
386

Saturday 18

Waxing Crescent 2%

06:25

22:16

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 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 06:01, Set: 20:09, Transit: 13:06. Moon - Rise: 06:25, Set: 22:16. Civil Dark: 20:45 - 05:25. Nautical Dark: 21:30 - 04:39. Astro Dark: 22:21 - 03:47

Total Clouds (% Sky Obscured)

60
56
54
55
58
74
62
78
68
48
64
71
54
29
28
9
0
0
0
24
34
28
30
28

Low Clouds (% Sky Obscured)

60
56
54
55
58
50
39
52
52
23
45
60
47
29
28
9
0
0
0
24
34
28
30
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
36
29
35
24
22
30
22
18
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
2
5
5
19
24
22
23
10
16
4
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
11
11
11
11
11
10
10
10
10
9
8
6
6
5
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

8
9
10
11
12
13
13
13
14
13
13
12
11
10
9
7
7
6
5
5
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
83
72
64
63
63
69
69
74
77
80
88
91
91
90
91
91
91
91
91
91
89
88

Pressure (mb)

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

Ozone (du)

386
386
389
391
392
395
399
401
401
402
405
408
412
413
413
412
411
409
406
405
403
402
401
399

Sunday 19

Waxing Crescent 7%

07:01

23:48

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

Sun - Rise: 05:59, Set: 20:10, Transit: 13:06. Moon - Rise: 07:01, Set: 23:48. Civil Dark: 20:47 - 05:22. Nautical Dark: 21:32 - 04:37. Astro Dark: 22:24 - 03:44

Total Clouds (% Sky Obscured)

44
47
34
34
32
48
65
71
37
64
38
31
6
7
3
4
4
3
2
2
2
3
3
14

Low Clouds (% Sky Obscured)

44
46
30
31
23
21
27
28
35
61
38
27
2
2
2
2
3
3
2
2
2
1
1
11

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
4
4
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
4
5
15
15
15
15
15
1
1
1
1
1
1
1
1
1
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
3
14
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
9
9
9
9
9
9
9
9
9
8
7
5
4
4
4
4
4
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

5
7
8
10
11
12
12
13
13
12
12
11
9
8
7
6
5
5
4
4
4
3
2
2

Feels Like (°C)

4
5
6
8
7
8
9
9
9
10
9
10
8
6
6
4
4
3
4
3
3
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

83
74
65
61
59
58
58
56
56
58
66
75
77
79
82
86
90
91
91
94
96
94
94
93

Pressure (mb)

1027
1027
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

398
397
397
396
395
394
394
393
393
393
392
391
391
391
391
391
391
393
395
397
399
403
405
408

Monday 20

Waxing Crescent 14%

07:53

01:11

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

Sun - Rise: 05:57, Set: 20:12, Transit: 13:05. Moon - Rise: 07:53, Set: 01:11. Civil Dark: 20:48 - 05:20. Nautical Dark: 21:34 - 04:34. Astro Dark: 22:27 - 03:41

Total Clouds (% Sky Obscured)

22
30
35
39
62
78
84
96
50
40
35
26
16
1
12
25
37
53
71
88
91
93
95
89

Low Clouds (% Sky Obscured)

21
30
31
30
30
49
69
88
50
39
24
15
9
1
11
22
34
50
70
88
91
93
95
89

Medium Clouds (% Sky Obscured)

2
3
10
14
20
23
23
25
30
28
28
19
10
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
1
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
0
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
4
20
23
25
18
15
13
6
1
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
7
9
9
10
10
10
11
11
12
10
10
8
8
7
8
7
7
7
8
9
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
74
68
63
61
61
67
66
64
66
68
76
85
91
93
91
93
94
100
98
94
91
91
91

Pressure (mb)

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

Ozone (du)

413
417
419
421
422
423
422
422
424
425
424
423
421
419
419
421
423
425
427
429
429
426
423
422

Tuesday 21

Waxing Crescent 24%

07:53

02:14

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

Sun - Rise: 05:55, Set: 20:14, Transit: 13:05. Moon - Rise: 07:53, Set: 02:14. Civil Dark: 20:50 - 05:18. Nautical Dark: 21:36 - 04:32. Astro Dark: 22:30 - 03:37

Total Clouds (% Sky Obscured)

84
71
79
82
86
67
47
30
28
25
22
37
44
42
63
76
85
85
86
86
87
88
89
88

Low Clouds (% Sky Obscured)

84
71
71
66
63
41
20
0
2
4
6
37
44
42
63
72
81
82
84
82
84
88
88
87

Medium Clouds (% Sky Obscured)

0
0
16
30
46
40
29
20
18
15
13
1
1
0
0
1
1
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
3
2
1
1
1
1
1
1
1
2
4
4
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
8
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
15
19
19
4
2
0
1
0
0
5
3
0
0
0
0
0
0
0
4
4
1
3

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

Chance of Frost

Temperature (°C)

6
7
8
9
10
11
12
12
13
12
11
10
8
7
6
6
5
5
5
4
4
4
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
77
73
73
67
59
59
62
64
65
66
69
71
75
78
80
83
88
93
96
94
91
90

Pressure (mb)

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

Ozone (du)

420
418
416
414
414
414
414
413
408
404
402
401
398
395
393
390
387
385
385
385
384
385
386
386

Wednesday 22

Waxing Crescent 35%

09:04

02:58

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

Sun - Rise: 05:53, Set: 20:16, Transit: 13:05. Moon - Rise: 09:04, 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)

87
87
87
87
83
67
47
35
29
24
22
13
10
6
17
24
34
45
56
69
74
79
85
75

Low Clouds (% Sky Obscured)

83
79
60
47
34
27
24
22
23
23
22
13
10
3
11
20
30
44
56
69
74
79
85
72

Medium Clouds (% Sky Obscured)

0
0
4
7
11
12
11
13
6
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High 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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
8
8
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
0
1
0
0
0
0
0
0
1
0
3
3
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
13
14
14
14
14
14
13
13
13
12
12
12
12
11
11
11
10
10
10
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
78
75
73
72
70
68
66
65
68
72
77
82
88
94
94
94
94
96
96
98
94
94
93

Pressure (mb)

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

Ozone (du)

385
384
383
385
386
387
387
386
386
385
384
384
387
390
393
394
395
396
395
395
394
394
393
393

Thursday 23

Waxing Crescent 46%

10:27

03:27

08 Bad
09 Bad
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:51, Set: 20:17, Transit: 13:05. Moon - Rise: 10:27, 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)

64
55
39
22
5
7
8
8
7
5
3
20
37
51
61
70
80

Low Clouds (% Sky Obscured)

60
47
33
17
1
5
8
8
7
3
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
19
35
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
4
8
12
16
21

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
3
4
5
10
9
9
9
9
9
6
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

85
78
72
67
63
59
61
61
63
65
68
72
74
77
79
81
84

Pressure (mb)

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

Ozone (du)

392
391
390
388
387
385
383
381
379
377
374
372
372
371
370
371
371

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

Generated: 17/04/26 08:44:32. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+1.00