Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 7

Waning Crescent 4%

06:25

15:08

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
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
08 Bad

Sun - Rise: 07:08, Set: 16:22, Transit: 11:44. Moon - Rise: 06:25, Set: 15:08. Civil Dark: 16:58 - 06:32. Nautical Dark: 17:38 - 05:52. Astro Dark: 18:17 - 05:12

Total Clouds (% Sky Obscured)

83
68
64
59
55
59
38
40
79
74
80
77
85
90
100
88
82
95
100
100
100
100
99
82

Low Clouds (% Sky Obscured)

52
52
50
41
54
54
34
36
78
64
63
66
85
90
100
84
75
92
100
100
100
100
99
82

Medium Clouds (% Sky Obscured)

37
31
40
39
0
0
0
0
0
0
4
5
3
3
2
0
0
0
0
1
10
16
25
28

High Clouds (% Sky Obscured)

3
0
0
1
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 (%)

56
81
98
13
5
1
0
0
1
2
2
2
99
100
59
57
65
59
64
52
53
55
49
74

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
0
0
1
1
2
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)

2
2
2
2
2
2
2
3
3
3
2
2
1
1
2
2
2
2
2
3
3
3
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
1
1
2
2
3
4
4
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

82
75
69
64
63
61
63
71
77
79
82
82
82
79
78
78
80
80
82
82
79
78
78
80

Pressure (mb)

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

Ozone (du)

300
301
299
297
295
295
294
292
291
290
286
284
285
287
289
287
287
290
295
298
296
292
290
287

Sunday 8

Waning Crescent 1%

07:42

15:24

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

Sun - Rise: 07:10, Set: 16:20, Transit: 11:44. Moon - Rise: 07:42, Set: 15:24. Civil Dark: 16:56 - 06:34. Nautical Dark: 17:37 - 05:53. Astro Dark: 18:16 - 05:14

Total Clouds (% Sky Obscured)

88
92
89
79
46
48
48
55
54
53
43
15
7
35
45
65
65
65
60
60
60
55
55
60

Low Clouds (% Sky Obscured)

85
89
88
78
46
48
48
55
54
43
8
5
6
34
45
65
65
65
60
60
60
55
55
60

Medium Clouds (% Sky Obscured)

17
8
0
0
0
4
7
10
18
22
15
2
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 (%)

20
5
1
0
0
0
0
0
0
0
0
0
0
0
0
6
53
100
100
100
100
100
95
91

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)

4
4
5
5
5
4
4
3
2
2
2
2
2
1
2
1
1
2
2
2
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
1
2
3
3
3
3
2
2
2
2
2
2
1
1
2
2
2
2
2

Relative Humidity (%)

75
71
66
63
61
59
63
69
73
74
76
76
78
79
82
83
83
85
85
88
89
88
88
88

Pressure (mb)

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

Ozone (du)

287
290
289
286
283
284
286
288
290
284
278
270
268
272
273
268
265
260
258
260
258
256
257
260

Monday 9

New Moon 0%

08:56

15:44

09 Bad
10 Bad
11 Bad
12 Bad
13 OK
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
08 Bad

Sun - Rise: 07:12, Set: 16:19, Transit: 11:44. Moon - Rise: 08:56, Set: 15:44. Civil Dark: 16:55 - 06:35. Nautical Dark: 17:35 - 05:55. Astro Dark: 18:15 - 05:15

Total Clouds (% Sky Obscured)

60
65
69
66
45
65
68
78
69
74
78
78
95
68
96
93
97
94
100
94
79
85
90
95

Low Clouds (% Sky Obscured)

60
65
69
66
45
45
51
60
47
45
49
49
73
68
69
73
51
53
51
44
42
40
40
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
8
85
82

High Clouds (% Sky Obscured)

0
0
0
3
2
46
45
50
60
55
50
60
63
21
72
65
93
85
100
85
54
68
78
89

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 (%)

54
48
9
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
1
2
2
2
3
4
4
5
5
5
5
5
5
4
4
5
5
5
5
5
5
5

Relative Humidity (%)

82
75
70
69
67
64
68
78
85
90
93
93
93
93
93
91
91
93
91
93
93
93
91
90

Pressure (mb)

1019
1019
1018
1018
1017
1016
1016
1015
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

260
258
254
250
249
252
251
250
248
243
241
240
240
240
240
241
240
242
243
244
246
246
245
245

Tuesday 10

Waxing Crescent 2%

08:56

16:12

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
08 Bad

Sun - Rise: 07:13, Set: 16:17, Transit: 11:44. Moon - Rise: 08:56, Set: 16:12. Civil Dark: 16:53 - 06:37. Nautical Dark: 17:34 - 05:56. Astro Dark: 18:13 - 05:17

Total Clouds (% Sky Obscured)

96
97
97
98
99
100
100
100
100
100
100
100
100
99
99
99
99
99
99
99
100
99
98
98

Low Clouds (% Sky Obscured)

42
52
59
62
63
67
73
80
86
90
95
100
99
98
96
96
96
95
94
93
93
94
95
96

Medium Clouds (% Sky Obscured)

85
86
88
90
94
100
100
100
100
93
82
100
99
98
97
97
96
96
96
96
96
95
92
70

High Clouds (% Sky Obscured)

91
92
93
95
97
100
93
84
73
70
69
69
57
46
30
39
47
56
63
69
79
66
52
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
9
8
9
9
6
9
5
3
4
1
0
0
0
0
0

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
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
Light Rain
Moderate Rain
Light Rain
None
None

Precipitation Probability (%)

2
4
5
18
36
47
55
76
75
67
58
43
66
67
66
95
95
60
46
93
95
95
41
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.3
0.3
0.2
0
0.3
0.3
0.3
0.9
1
0
0
0.5
4.1
1.9
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
78
72
69
69
70
74
81
87
90
91
93
93
95
95
95
96
98
98
98
100
98
98
100

Pressure (mb)

1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005

Ozone (du)

246
246
247
248
247
247
247
246
248
251
251
250
250
251
251
251
251
252
252
253
251
251
251
251

Wednesday 11

Waxing Crescent 5%

10:04

16:50

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
08 Bad

Sun - Rise: 07:14, Set: 16:15, Transit: 11:44. Moon - Rise: 10:04, Set: 16:50. Civil Dark: 16:52 - 06:38. Nautical Dark: 17:33 - 05:57. Astro Dark: 18:12 - 05:17

Total Clouds (% Sky Obscured)

99
99
100
99
97
96
96
96
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

94
91
88
86
83
79
83
87
91
94
97
100
99
97
96
94
91
89
89
89
88
90
94
96

Medium Clouds (% Sky Obscured)

54
45
38
37
35
77
85
79
79
66
37
24
97
99
100
99
98
97
91
82
74
72
62
56

High Clouds (% Sky Obscured)

62
82
100
82
67
55
62
72
77
70
69
54
79
83
44
47
51
67
73
82
87
72
65
51

ISS Passover

Visibility (miles)

0
0
0
2
6
7
5
8
8
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 (%)

20
24
31
26
12
11
22
45
32
10
12
6
2
4
16
29
33
36
39
39
37
41
42
43

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
98
98
96
96
96
96
96
95
95
95
93
95
95
93
95
93
93
93
93
90
88

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

250
249
248
246
247
247
248
248
247
250
251
251
253
255
256
256
257
258
259
258
257
256
253
251

Thursday 12

Waxing Crescent 10%

11:01

17:39

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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 07:16, Set: 16:15, Transit: 11:44. Moon - Rise: 11:01, Set: 17:39. Civil Dark: 16:51 - 06:39. Nautical Dark: 17:32 - 05:58. Astro Dark: 18:11 - 05:19

Total Clouds (% Sky Obscured)

99
99
99
100
100
100
98
97
95
97
84
86
64
40
19
30
33
38
44
47
59
55
55
55

Low Clouds (% Sky Obscured)

92
88
83
66
49
31
24
17
13
24
24
22
16
9
1
14
26
36
43
40
37
33
33
38

Medium Clouds (% Sky Obscured)

51
40
55
55
50
40
35
33
30
20
8
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

48
49
46
43
35
31
44
53
55
49
32
10
7
2
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 (%)

44
40
32
30
25
8
8
5
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
5
4
3
3
3
3
3
1
1
2
2
2
1
0
-0
0
0
0
1
-1
-0

Dew Point (°C)

5
5
5
5
3
2
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1

Relative Humidity (%)

84
81
78
74
69
65
61
65
69
74
76
79
82
82
82
82
83
83
85
85
85
86
83
83

Pressure (mb)

1007
1007
1007
1008
1008
1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1016
1017

Ozone (du)

248
248
249
249
250
252
253
252
251
250
251
251
251
252
252
253
255
258
261
264
268
272
275
279

Friday 13

Waxing Crescent 17%

11:45

18:40

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

Sun - Rise: 07:18, Set: 16:13, Transit: 11:45. Moon - Rise: 11:45, Set: 18:40. Civil Dark: 16:50 - 06:41. Nautical Dark: 17:31 - 06:00. Astro Dark: 18:10 - 05:20

Total Clouds (% Sky Obscured)

49
36
24
27
32
37
40
44
46
32
16
1
7
13
18
22
27
30
30
29
31

Low Clouds (% Sky Obscured)

31
22
13
18
18
20
19
21
24
21
13
1
6
11
18
22
27
30
30
29
31

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
3
1
5
4
5
4
3
2
2
1
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
0
0
-0
4
5
4
5
5
5
2
2
2
1
1
1
1
1
1
1
1

Dew Point (°C)

1
1
1
1
1
2
2
2
1
1
1
1
0
-1
-1
-1
-1
-2
-2
-2
-2

Relative Humidity (%)

82
76
72
67
67
67
67
71
75
79
79
79
79
77
77
77
77
76
76
74
74

Pressure (mb)

1017
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023
1023
1023
1023
1024
1024
1024
1024
1024

Ozone (du)

282
281
280
278
279
279
279
280
281
282
284
285
286
286
286
287
286
286
286
287
288

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

Generated: 07/11/26 09:30:47. Forecast: 07/11/26 to 13/11/26. Timezone: UTC+0.00