Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waxing Crescent 32%

14:09

19:53

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

Sun - Rise: 07:27, Set: 18:04, Transit: 12:46. Moon - Rise: 14:09, Set: 19:53. Civil Dark: 18:38 - 06:54. Nautical Dark: 19:19 - 06:15. Astro Dark: 19:58 - 05:36

Total Clouds (% Sky Obscured)

16
31
40
52
83
53
55
71
98
100
100
100
100
96
92
55
52
35
30
31
35
29
2
8

Low Clouds (% Sky Obscured)

16
31
24
32
22
31
32
49
93
90
96
92
100
58
68
55
52
26
24
29
35
29
2
6

Medium Clouds (% Sky Obscured)

16
31
36
22
22
13
15
32
43
45
100
100
100
88
84
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
31
28
25
22
5
1
1
0
51
21
90
100
70
42
13
8
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
7
4
5
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
1
2
3
19
84
95
95
91
45
3
0
0
0
0
0
1
3
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
1.7
1
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
87
89
89
86
87
90
90
93
90
90
95
91
92
86
77
79
64
53
50
50
49
53
60

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1017
1018
1019
1020
1021
1022
1022
1023
1023
1023
1024
1025
1026

Ozone (du)

300
300
301
302
302
302
303
305
307
306
303
301
301
305
306
308
308
308
309
311
311
310
310
311

Friday 16

Waxing Crescent 41%

14:49

20:47

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

Sun - Rise: 07:29, Set: 18:02, Transit: 12:46. Moon - Rise: 14:49, Set: 20:47. Civil Dark: 18:36 - 06:55. Nautical Dark: 19:17 - 06:16. Astro Dark: 19:56 - 05:37

Total Clouds (% Sky Obscured)

2
0
0
2
0
3
2
0
4
0
3
3
6
9
12
14
18
17
16
39
46
65
46
14

Low Clouds (% Sky Obscured)

2
0
0
2
0
2
2
0
2
0
2
3
5
9
12
13
15
12
12
28
31
61
46
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
21
14
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
2
1
10

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
1
0
0
0
0
0
0
0
0
0
0
0
2
4
20
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
5
5
4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
4
5
3

Relative Humidity (%)

63
67
72
75
78
81
82
84
84
84
85
85
86
86
81
73
66
59
53
50
49
57
66
58

Pressure (mb)

1027
1027
1028
1029
1029
1030
1030
1030
1031
1031
1032
1032
1032
1033
1033
1034
1034
1034
1033
1033
1033
1032
1033
1033

Ozone (du)

315
313
314
315
318
323
325
325
322
319
319
314
311
310
311
313
310
305
302
300
298
294
292
290

Saturday 17

Waxing Crescent 51%

15:18

21:51

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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
17 Bad
18 Bad

Sun - Rise: 07:31, Set: 18:00, Transit: 12:45. Moon - Rise: 15:18, Set: 21:51. Civil Dark: 18:34 - 06:57. Nautical Dark: 19:15 - 06:18. Astro Dark: 19:54 - 05:39

Total Clouds (% Sky Obscured)

77
95
78
59
75
73
30
42
41
63
70
59
58
66
67
73
86
84
90
95
100
81
99
98

Low Clouds (% Sky Obscured)

39
68
63
59
75
63
14
26
37
62
67
50
46
52
56
64
68
82
75
65
59
33
50
45

Medium Clouds (% Sky Obscured)

0
0
0
0
3
10
5
3
4
7
4
0
0
10
65
58
78
65
67
87
88
41
35
33

High Clouds (% Sky Obscured)

45
90
65
39
2
30
21
14
2
2
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
1
0
0
0
0
0
0
0
0
0
1
2
3
3
11
9
18
16
16
15
7
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
65
64
67
63
61
61
62
58
56
59
65
69
71
74
71
67
64
68
65
77
80
78
76

Pressure (mb)

1033
1033
1033
1033
1033
1032
1032
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1029
1029
1029
1028
1028
1028

Ozone (du)

291
294
294
294
294
293
291
290
289
284
285
287
289
289
290
290
292
294
297
296
294
294
295
295

Sunday 18

First Quarter 51%

15:40

23:03

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:33, Set: 17:58, Transit: 12:45. Moon - Rise: 15:40, Set: 23:03. Civil Dark: 18:32 - 06:59. Nautical Dark: 19:13 - 06:20. Astro Dark: 19:52 - 05:41

Total Clouds (% Sky Obscured)

98
90
79
68
69
93
90
90
87
89
92
94
95
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

50
50
37
32
43
78
63
76
75
79
81
84
90
95
100
100
100
100
100
92
77
62
58
48

Medium Clouds (% Sky Obscured)

39
35
34
32
31
41
86
82
78
75
76
77
80
86
93
90
88
85
87
85
88
93
72
30

High Clouds (% Sky Obscured)

0
0
0
0
0
26
55
60
65
65
27
28
55
55
40
40
40
45
40
45
50
55
60
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
12
4
13
10
13
39
79
91
60
24
6
9
9
5
6
6
9
10
10
18
13
17
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.6
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
79
87
94
94
93
94
90
93
93
91
91
95
91
90
85
90
87
76
77
80
84

Pressure (mb)

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

Ozone (du)

296
297
297
298
296
294
294
294
290
292
290
287
287
285
286
286
286
286
283
280
278
278
278
277

Monday 19

Waxing Gibbous 61%

15:56

00:17

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
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

Sun - Rise: 07:34, Set: 17:56, Transit: 12:45. Moon - Rise: 15:56, Set: 00:17. Civil Dark: 18:30 - 07:00. Nautical Dark: 19:11 - 06:21. Astro Dark: 19:50 - 05:42

Total Clouds (% Sky Obscured)

100
100
98
99
98
39
41
36
31
32
35
49
69
67
61
55
53
51
46
41
45
56
62
68

Low Clouds (% Sky Obscured)

35
30
25
25
19
15
19
25
31
32
35
46
48
42
37
26
27
23
23
24
24
24
28
28

Medium Clouds (% Sky Obscured)

32
33
35
37
35
28
22
9
0
0
0
0
22
24
27
27
28
24
28
28
23
24
24
25

High Clouds (% Sky Obscured)

80
92
97
93
90
4
3
3
3
2
4
13
14
9
5
4
3
1
1
1
1
3
6
9

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 (%)

21
18
15
13
9
5
3
2
0
0
0
0
0
0
1
5
8
9
15
18
18
21
27
35

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
91
93
95
95
95
95
95
95
95
95
95
88
83
77
72
66
61
61
62
62
65
66

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1022
1022
1021
1020
1020
1019
1019
1018
1018
1017
1016
1016
1016

Ozone (du)

277
277
277
278
277
277
277
276
277
278
280
281
282
284
286
288
288
288
288
287
286
286
284
283

Tuesday 20

Waxing Gibbous 70%

16:10

01:33

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:36, Set: 17:54, Transit: 12:45. Moon - Rise: 16:10, Set: 01:33. Civil Dark: 18:28 - 07:02. Nautical Dark: 19:09 - 06:23. Astro Dark: 19:48 - 05:44

Total Clouds (% Sky Obscured)

69
70
67
65
68
66
52
48
48
53
48
53
54
54
60
69
79
92
84
79
73
82
91
100

Low Clouds (% Sky Obscured)

33
34
35
40
40
40
35
35
35
39
42
49
54
53
54
41
28
17
18
27
37
55
71
84

Medium Clouds (% Sky Obscured)

25
25
25
30
45
45
50
45
45
35
30
29
30
30
30
35
35
40
48
56
67
63
59
46

High Clouds (% Sky Obscured)

23
36
47
50
49
56
52
48
48
53
48
53
54
54
60
69
79
91
73
57
40
59
79
96

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 (%)

43
43
33
33
29
10
9
6
2
5
4
3
5
3
0
3
2
1
2
1
0
1
4
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
71
72
72
73
73
78
81
85
87
90
91
85
80
76
69
62
56
56
56
55
58
62

Pressure (mb)

1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010

Ozone (du)

281
285
288
292
292
292
293
290
288
286
286
286
286
286
287
287
289
290
291
292
292
292
293
293

Wednesday 21

Waxing Gibbous 79%

16:22

02:49

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:38, Set: 17:52, Transit: 12:45. Moon - Rise: 16:22, Set: 02:49. Civil Dark: 18:26 - 07:04. Nautical Dark: 19:07 - 06:24. Astro Dark: 19:46 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
96
93
91
90
90
90
89
88
87
82
79
75
76
75
76

Low Clouds (% Sky Obscured)

81
77
67
65
65
69
73
75
77
74
68
59
55
48
42
44
44
47

Medium Clouds (% Sky Obscured)

38
30
22
26
30
35
47
57
67
71
77
84
71
60
49
46
43
41

High Clouds (% Sky Obscured)

86
72
57
48
39
33
29
25
16
11
6
1
1
1
2
6
11
16

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 (%)

30
35
36
36
25
27
24
23
13
27
30
34
26
14
4
5
7
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
10
11
10
10
10
10
9
9
9
9
10
10
9
9
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

65
68
69
71
76
80
84
84
86
86
88
91
95
87
81
76
69
62

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

293
292
291
290
290
289
288
288
289
289
290
290
291
291
291
292
291
291

Forecast for Welwyn Garden City, Hertfordshire, United Kingdom (51.80,-0.21)

Generated: 15/10/26 19:26:38. Forecast: 15/10/26 to 21/10/26. Timezone: UTC+1.00