Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Gibbous 91%

16:46

05:26

23 Bad
00 Bad
01 OK
02 OK
03 OK
04 OK
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
22 Bad

Sun - Rise: 07:41, Set: 17:48, Transit: 12:44. Moon - Rise: 16:46, Set: 05:26. Civil Dark: 18:22 - 07:07. Nautical Dark: 19:01 - 06:28. Astro Dark: 19:40 - 05:49

Total Clouds (% Sky Obscured)

63
56
36
23
40
30
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

47
14
1
0
0
0
4
2
0
0
30
62
85
89
91
87
91
90
91
92
92
83
81
66

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
43
52
74
99
82
74
100
100
100
99
100
100
100
100
99
100
100

High Clouds (% Sky Obscured)

0
0
0
0
40
30
76
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
2
2
3
6
4
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
1
0
0
0
0
0
0
0
0
4
24
40
59
79
95
95
95
95
95
95
95
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.7
1.2
2.6
3.6
3
1.4
0.7
0.6
0.8

Wind Speed/Direction (mph)

18
17
16
15
16
14
12
10
10
9
9
10
12
12
14
15
17
20
22
23
23
21
21
23

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
1
1
1
2
2
2
2
2
3
3
4
5
6
6
7
9
9
10
11
12
13
14
14

Relative Humidity (%)

67
67
67
69
74
76
79
79
83
85
82
81
78
81
80
84
88
88
92
90
92
92
93
90

Pressure (mb)

1009
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1011
1010
1009
1007
1005
1002
1000
997
995
993
991
990
990

Ozone (du)

323
335
343
340
334
326
320
314
311
309
307
305
303
299
297
296
294
292
290
288
287
287
287
287

Saturday 24

Waxing Gibbous 98%

16:00

05:50

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

Sun - Rise: 06:43, Set: 16:45, Transit: 11:44. Moon - Rise: 16:00, Set: 05:50. Civil Dark: 17:20 - 06:09. Nautical Dark: 17:59 - 05:29. Astro Dark: 18:38 - 04:50

Total Clouds (% Sky Obscured)

100
100
57
62
22
26
19
64
23
22
49
21
27
41
24
23
10
19
2
0
12
29
66
100

Low Clouds (% Sky Obscured)

41
37
10
22
22
26
19
51
23
20
46
20
27
41
24
23
10
19
2
0
0
2
2
5

Medium Clouds (% Sky Obscured)

96
75
57
62
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
6

High Clouds (% Sky Obscured)

100
100
54
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
19
38
100

ISS Passover

Visibility (miles)

7
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 (%)

56
24
0
0
0
0
3
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)

24
24
20
20
20
20
20
20
20
20
21
22
23
23
23
22
21
18
17
15
13
13
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
5
3
3
2
4
3
3
2
3
3
3
5
5
5
5
5
5
4
4
4
4
4
4

Dew Point (°C)

12
9
5
4
4
4
4
3
3
3
4
3
4
4
4
3
3
3
2
2
3
2
2
1

Relative Humidity (%)

86
80
71
70
72
70
69
68
68
66
65
59
58
57
56
56
56
58
60
59
67
67
65
66

Pressure (mb)

991
991
993
993
993
994
995
996
997
999
1000
1001
1002
1003
1004
1005
1007
1008
1009
1011
1011
1012
1013
1013

Ozone (du)

288
288
294
293
292
291
292
293
298
306
311
314
317
315
307
298
294
292
290
288
285
283
281
277

Sunday 25

Waxing Gibbous 100%

16:19

07:17

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
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:45, Set: 16:44, Transit: 11:44. Moon - Rise: 16:19, Set: 07:17. Civil Dark: 17:18 - 06:10. Nautical Dark: 17:58 - 05:31. Astro Dark: 18:36 - 04:52

Total Clouds (% Sky Obscured)

100
81
100
100
100
96
100
99
100
100
100
100
100
100
100
100
73
87
86
84
82
81
83
84

Low Clouds (% Sky Obscured)

15
10
11
9
10
2
60
42
70
68
92
91
93
100
88
95
73
87
86
84
82
77
77
79

Medium Clouds (% Sky Obscured)

5
10
6
48
73
96
95
99
99
100
100
100
100
94
77
39
1
0
0
0
1
1
1
0

High Clouds (% Sky Obscured)

100
76
100
100
100
67
67
67
100
100
100
100
100
100
100
100
45
36
0
0
0
3
3
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
7
9
7
4
9
8
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
0
0
0
1
19
75
95
95
95
95
79
63
20
5
1
11
4
26
18
10
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
1
1.1
2
1.4
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
3
3
3
3
3
3
3
5
7
8
9
10
12
13
14
15
15
14
13
13
13
14

Relative Humidity (%)

69
72
75
75
75
74
74
73
74
78
85
88
90
88
93
93
95
96
95
90
86
85
86
87

Pressure (mb)

1013
1014
1014
1013
1013
1013
1013
1012
1012
1011
1011
1010
1009
1007
1006
1005
1005
1005
1005
1006
1006
1006
1006
1006

Ozone (du)

274
271
270
270
268
268
268
270
272
273
272
271
271
267
266
265
266
267
266
266
265
263
261
261

Monday 26

Full Moon 99%

16:46

08:48

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 OK
17 OK
18 OK
19 OK
20 OK
21 Bad
22 Bad

Sun - Rise: 06:47, Set: 16:42, Transit: 11:44. Moon - Rise: 16:46, Set: 08:48. Civil Dark: 17:16 - 06:12. Nautical Dark: 17:56 - 05:33. Astro Dark: 18:35 - 04:54

Total Clouds (% Sky Obscured)

84
88
90
92
95
97
100
100
100
100
90
80
68
69
70
68
46
40
34
34
32
32
45
57

Low Clouds (% Sky Obscured)

80
80
80
81
84
88
90
80
73
69
71
74
68
69
70
40
38
33
28
26
26
26
20
17

Medium Clouds (% Sky Obscured)

0
4
10
15
31
46
99
62
55
45
27
77
47
65
60
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

57
7
7
45
57
51
45
60
80
100
78
56
30
4
30
29
1
0
0
0
0
0
22
40

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

22
9
29
26
24
30
12
39
60
82
79
91
82
44
15
6
8
4
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.6
0.4
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
18
19
19
20
20
20
20
20
19
19
19
18
16
16
18
16
15
14
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
14
13
13
14
13
12
11
11
11
12
11
9
9
7
6
6
6
6
6
6
6

Relative Humidity (%)

87
86
87
86
85
85
86
82
82
79
79
79
86
83
79
79
70
70
73
74
77
78
81
84

Pressure (mb)

1005
1005
1005
1004
1004
1003
1003
1002
1002
1003
1003
1003
1004
1005
1006
1007
1008
1009
1011
1013
1014
1015
1017
1017

Ozone (du)

260
259
259
260
261
262
264
266
266
266
267
268
267
267
271
281
286
293
299
300
302
306
307
309

Tuesday 27

Waning Gibbous 95%

17:24

10:17

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
19 Bad
20 OK
21 Bad
22 OK

Sun - Rise: 06:49, Set: 16:40, Transit: 11:44. Moon - Rise: 17:24, Set: 10:17. Civil Dark: 17:15 - 06:14. Nautical Dark: 17:54 - 05:34. Astro Dark: 18:33 - 04:55

Total Clouds (% Sky Obscured)

70
63
59
55
61
66
71
66
68
63
66
64
63
64
66
76
83
90
96
84
67
48
52
48

Low Clouds (% Sky Obscured)

11
17
22
31
33
36
41
41
41
38
42
49
48
48
48
46
43
40
37
31
24
14
12
9

Medium Clouds (% Sky Obscured)

0
6
12
16
14
13
9
15
16
21
18
16
16
24
28
33
53
52
55
46
31
19
14
9

High Clouds (% Sky Obscured)

55
45
31
20
31
36
50
42
28
13
17
17
23
21
20
22
43
68
91
68
46
39
49
48

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
5
6
5
6
6
6
6
6
6
6
6
6
7
7
8
8
8
8
8
8
9
9
8

Relative Humidity (%)

84
82
84
84
87
88
88
88
88
82
77
72
65
64
65
67
67
70
74
77
79
83
85
87

Pressure (mb)

1018
1019
1020
1021
1021
1022
1023
1023
1023
1024
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1028

Ozone (du)

307
303
297
293
292
291
290
287
285
283
283
281
280
277
275
273
271
271
271
270
270
269
268
267

Wednesday 28

Waning Gibbous 88%

18:20

11:35

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

Sun - Rise: 06:50, Set: 16:38, Transit: 11:44. Moon - Rise: 18:20, Set: 11:35. Civil Dark: 17:13 - 06:15. Nautical Dark: 17:52 - 05:36. Astro Dark: 18:31 - 04:57

Total Clouds (% Sky Obscured)

46
39
38
38
48
58
69
68
61
57
55
54
55
50
59
62
77
89
100
100
100
100
95
91

Low Clouds (% Sky Obscured)

7
5
4
4
25
46
67
52
42
40
40
38
36
36
33
31
21
8
0
4
7
12
14
14

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
2
1
1
1
1
0
0
1
3
5
5
6
6
23
38
55
58
60

High Clouds (% Sky Obscured)

46
38
27
13
6
4
3
4
4
2
28
54
55
50
59
62
76
85
100
98
96
94
85
79

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
1
4
0
1
1
0
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
8
7
7
7
7
7
7
7
8
8
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

88
90
90
90
91
90
90
90
85
81
78
73
70
66
64
64
63
68
72
77
76
76
76
77

Pressure (mb)

1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1023
1022

Ozone (du)

266
265
265
264
264
265
266
267
267
266
266
266
265
265
265
266
266
266
266
266
265
265
265
264

Thursday 29

Waning Gibbous 79%

19:34

12:35

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

Sun - Rise: 06:52, Set: 16:36, Transit: 11:44. Moon - Rise: 19:34, Set: 12:35. Civil Dark: 17:11 - 06:17. Nautical Dark: 17:51 - 05:37. Astro Dark: 18:29 - 04:58

Total Clouds (% Sky Obscured)

88
93
96
100
100
100
100
100
100
100
94
90
86
89
90
92
92
92
91

Low Clouds (% Sky Obscured)

11
29
45
61
66
69
70
70
70
73
74
77
78
77
76
75
73
73
71

Medium Clouds (% Sky Obscured)

62
58
58
57
69
77
81
88
90
92
78
74
70
71
67
69
71
76
78

High Clouds (% Sky Obscured)

77
88
95
100
99
99
98
99
99
100
94
81
71
70
66
61
55
49
48

ISS Passover

Visibility (miles)

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

Precipitation Type

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
2
9
13
18
12
1
2
3
0
0
0
0
10
25
41

Precipitation Amount (mm)

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
10
10
9
9
10
9
10
9
9
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
83
86
90
90
90
91
90
90
89
89
87
87
89
90
90
90
90

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020
1020
1021

Ozone (du)

264
263
263
262
262
261
261
260
260
260
261
260
259
258
258
258
258
259
260

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

Generated: 23/10/26 23:21:43. Forecast: 23/10/26 to 29/10/26. Timezone: UTC+1.00