Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 28

Waning Gibbous 92%

19:37

10:24

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 OK
18 OK

Sun - Rise: 06:59, Set: 18:49, Transit: 12:54. Moon - Rise: 19:37, Set: 10:24. Civil Dark: 19:18 - 06:32. Nautical Dark: 19:49 - 06:01. Astro Dark: 20:21 - 05:29

Total Clouds (% Sky Obscured)

98
96
96
100
100
100
100
100
100
100
100
80
94
94
95
97
94
69
84
94
93
73
33
29

Low Clouds (% Sky Obscured)

78
96
96
91
87
89
96
96
93
93
89
80
94
94
95
97
93
55
76
91
91
72
25
16

Medium Clouds (% Sky Obscured)

37
58
65
61
55
53
35
36
32
29
17
2
48
42
52
47
40
28
32
33
10
2
0
0

High Clouds (% Sky Obscured)

5
1
80
82
82
77
78
92
99
99
98
45
17
5
2
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
4
0
1
0
0
0
0
0
0
0
0
0
0
5
0
2
2
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
2
2
3
3
3
3
3
3
4
4
4
3
3
3
4
6
6
7
7
7
7
6
4

Chance of Frost

Temperature (°C)

18
17
16
16
16
16
16
15
16
16
15
15
15
15
17
18
18
19
20
21
21
21
20
20

Feels Like (°C)

18
17
16
16
16
16
15
15
15
15
15
15
14
15
17
18
18
19
21
20
20
20
20
22

Dew Point (°C)

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

Relative Humidity (%)

92
92
90
89
90
89
87
87
87
87
89
89
87
86
85
81
78
73
68
64
66
66
69
77

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

295
295
295
295
293
291
291
291
290
290
289
288
287
287
286
285
285
285
283
280
282
282
280
280

Tuesday 29

Waning Gibbous 84%

20:11

11:40

19 OK
20 OK
21 OK
22 Bad
23 OK
00 OK
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

Sun - Rise: 07:00, Set: 18:47, Transit: 12:54. Moon - Rise: 20:11, Set: 11:40. Civil Dark: 19:16 - 06:33. Nautical Dark: 19:47 - 06:02. Astro Dark: 20:19 - 05:30

Total Clouds (% Sky Obscured)

30
32
37
39
25
7
17
19
28
34
51
71
100
92
56
66
83
79
79
72
78
93
100
100

Low Clouds (% Sky Obscured)

15
16
25
37
21
7
12
14
19
28
29
35
35
29
30
29
26
23
29
39
29
26
6
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
11
16
7
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
12
19
45
50
14
31
55
60
55
50
51
85
100
100

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
2
2
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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

18
18
17
16
16
16
15
15
15
14
14
14
14
14
16
18
20
22
23
23
24
24
24
23

Feels Like (°C)

20
20
20
18
18
18
18
17
17
17
17
16
16
15
16
21
22
22
23
24
24
24
25
24

Dew Point (°C)

16
16
15
14
14
14
14
13
13
13
13
13
13
13
13
15
15
16
16
16
17
16
17
18

Relative Humidity (%)

83
86
89
89
89
89
90
89
89
90
90
92
92
90
85
78
72
68
65
63
64
62
65
73

Pressure (mb)

1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018

Ozone (du)

280
281
283
284
283
283
282
279
277
276
276
275
275
275
275
274
273
273
273
273
273
273
272
271

Wednesday 30

Waning Gibbous 74%

20:54

12:53

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: 07:01, Set: 18:46, Transit: 12:54. Moon - Rise: 20:54, Set: 12:53. Civil Dark: 19:14 - 06:34. Nautical Dark: 19:46 - 06:03. Astro Dark: 20:18 - 05:31

Total Clouds (% Sky Obscured)

99
100
97
100
100
93
78
92
73
78
39
68
92
86
76
70
55
51
52
58
64
77
70
75

Low Clouds (% Sky Obscured)

6
7
10
8
11
12
8
12
13
10
10
12
12
14
14
16
15
14
12
9
5
0
0
0

Medium Clouds (% Sky Obscured)

11
32
3
3
22
68
35
76
44
21
20
29
68
54
43
30
26
3
2
9
16
27
28
28

High Clouds (% Sky Obscured)

99
100
96
100
100
78
32
43
35
50
12
43
63
47
60
49
27
50
50
51
53
67
51
51

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)

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

Chance of Frost

Temperature (°C)

21
19
18
18
18
18
18
17
17
17
16
16
16
16
18
20
22
23
24
26
26
26
26
24

Feels Like (°C)

22
19
19
19
18
18
18
18
18
17
17
18
17
18
20
21
23
24
25
26
26
27
27
27

Dew Point (°C)

17
17
17
17
16
16
16
16
15
15
15
15
15
15
15
16
16
16
16
16
16
16
17
17

Relative Humidity (%)

77
84
89
90
89
90
92
90
90
92
92
93
93
92
83
76
68
62
58
54
53
52
58
64

Pressure (mb)

1018
1018
1018
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

270
270
269
269
269
269
269
269
267
266
266
265
265
264
263
262
262
262
263
262
261
261
260
260

Thursday 1

Waning Gibbous 63%

21:48

13:59

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

Sun - Rise: 07:02, Set: 18:44, Transit: 12:53. Moon - Rise: 21:48, Set: 13:59. Civil Dark: 19:13 - 06:35. Nautical Dark: 19:44 - 06:04. Astro Dark: 20:16 - 05:32

Total Clouds (% Sky Obscured)

81
71
66
59
73
82
96
62
31
3
7
11
14
34
54
70
68
67
66
69
77
80
80
80

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
2
3
6
10
13
20
26
26

Medium Clouds (% Sky Obscured)

30
21
17
16
14
1
1
0
0
0
3
5
8
19
30
41
35
29
26
22
20
14
29
42

High Clouds (% Sky Obscured)

62
56
52
47
71
67
88
52
28
3
2
1
1
19
34
47
42
41
39
54
62
70
75
75

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
1
2
10
22

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

Chance of Frost

Temperature (°C)

23
21
20
20
19
19
19
18
18
18
18
18
18
18
20
22
24
26
27
28
27
27
26
23

Feels Like (°C)

24
23
22
22
20
20
21
19
20
20
19
20
19
20
22
24
26
27
28
28
28
29
29
28

Dew Point (°C)

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

Relative Humidity (%)

71
75
75
74
72
71
70
70
71
71
72
73
76
76
69
62
57
53
50
48
50
54
59
66

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

260
261
260
260
260
259
259
258
258
258
258
259
260
261
261
262
263
263
264
265
265
266
267
268

Friday 2

Waning Gibbous 51%

22:52

14:53

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: 07:03, Set: 18:42, Transit: 12:53. Moon - Rise: 22:52, Set: 14:53. Civil Dark: 19:11 - 06:36. Nautical Dark: 19:42 - 06:05. Astro Dark: 20:14 - 05:33

Total Clouds (% Sky Obscured)

91
87
85
100
98
100
100
100
100
100
92
85
81
76
71
66
66
64
61
56
50
50
51
58

Low Clouds (% Sky Obscured)

29
21
14
10
8
12
59
92
29
14
81
69
12
17
23
29
27
26
25
23
18
18
33
50

Medium Clouds (% Sky Obscured)

54
60
58
55
64
59
52
96
92
89
82
72
44
31
19
10
8
4
1
3
6
8
12
16

High Clouds (% Sky Obscured)

81
81
80
100
96
100
100
100
100
100
80
25
40
35
30
35
25
20
15
15
10
15
19
22

ISS Passover

Visibility (miles)

9
2
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

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

Precipitation Probability (%)

54
76
46
41
44
45
40
34
29
22
21
18
5
8
5
0
1
1
1
5
6
4
8
12

Precipitation Amount (mm)

0.2
0.7
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
8
7
7
6
5
5
6
7
7
6
5
5
5
6
8
10
9
8
8
7
7
6
5

Chance of Frost

Temperature (°C)

21
19
17
17
16
15
15
14
14
13
13
13
13
13
14
16
17
18
19
20
20
19
19
18

Feels Like (°C)

25
23
21
19
17
16
16
14
12
11
11
12
11
11
11
12
13
13
13
14
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

71
77
86
90
93
95
96
95
90
89
90
87
83
83
76
69
64
59
55
50
57
64
71
72

Pressure (mb)

1015
1016
1017
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1024

Ozone (du)

268
268
268
266
266
265
265
265
265
266
268
268
269
270
271
271
272
272
272
273
273
272
272
272

Saturday 3

Third Quarter 40%

00:03

15:37

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: 07:04, Set: 18:41, Transit: 12:53. Moon - Rise: 00:03, Set: 15:37. Civil Dark: 19:09 - 06:37. Nautical Dark: 19:41 - 06:06. Astro Dark: 20:13 - 05:34

Total Clouds (% Sky Obscured)

59
65
71
76
86
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
62
71
76
83
86
85
87
89
88
89
94
98
98
99
99
97
95
94
93
94
91
91
91

Medium Clouds (% Sky Obscured)

20
34
49
61
68
74
79
83
87
92
95
97
100
100
100
100
100
100
100
100
100
100
93
81

High Clouds (% Sky Obscured)

30
27
23
25
57
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
8
6
5
4
3
2
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

15
25
31
34
40
41
37
39
37
29
42
47
45
69
83
94
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
1
1.5
2.1
2.2
2.4
2.4
1.6
1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
13
13
13
13
14
14
11
12
12
12
13
13
10
10
9
9
9
9
10
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

73
73
74
74
74
80
86
93
93
93
93
93
93
92
93
95
95
96
95
96
96
95
96
96

Pressure (mb)

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

Ozone (du)

272
273
272
272
271
271
271
272
271
271
271
272
272
273
273
273
273
273
273
274
275
277
278
279

Sunday 4

Waning Crescent 28%

01:18

16:12

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 Good
08 Good
09 Good
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 07:05, Set: 18:39, Transit: 12:52. Moon - Rise: 01:18, Set: 16:12. Civil Dark: 19:08 - 06:38. Nautical Dark: 19:39 - 06:07. Astro Dark: 20:11 - 05:35

Total Clouds (% Sky Obscured)

100
99
98
98
96
94
91
74
58
38
28
18
9
9
15
22
32
34
35

Low Clouds (% Sky Obscured)

91
88
85
83
85
88
89
74
57
38
28
18
9
9
15
19
27
33
35

Medium Clouds (% Sky Obscured)

65
44
30
12
6
6
5
5
5
0
0
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
72
59
60
57
54
55
55
40
38
28
18
6
4
2
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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

94
95
95
95
95
95
87
78
67
56
42
27
0
1
1
0
2
2
1

Precipitation Amount (mm)

0.5
0.6
0.7
0.9
0.8
0.7
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
4
3
3
3
4
5
5
5
6
7
7
10
12
15
14
14

Chance of Frost

Temperature (°C)

14
14
14
15
15
14
14
14
14
13
13
13
13
13
14
15
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
95
95
95
95
93
95
95
95
96
95
96
87
79
72
66
61

Pressure (mb)

1017
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

280
280
284
287
290
288
286
284
285
287
288
289
290
291
291
291
291
290
289

Forecast for Ephrata, Lancaster, United States of America (40.18,-76.17)

Generated: 28/09/26 19:19:38. Forecast: 28/09/26 to 04/10/26. Timezone: UTC-4.00