Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 21

Waxing Crescent 33%

11:47

01:21

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

Sun - Rise: 05:42, Set: 20:19, Transit: 13:01. Moon - Rise: 11:47, Set: 01:21. Civil Dark: 20:51 - 05:10. Nautical Dark: 21:30 - 04:31. Astro Dark: 22:14 - 03:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
88
92
93
92
93
84
92
90
93
94
94
94
94
96
94
92
86
71
72
78
86
76
86

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
79
23
20
33
36
45
50
50
45
37
83
98
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
85
93
100
95
66
78
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 (%)

66
29
8
17
14
22
10
3
1
1
0
1
1
2
5
2
5
2
13
4
2
4
8
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
12
13
13
13
12
12
12
12
11
11
11
11
11
11
11
12
12
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

89
89
90
90
90
89
90
92
92
92
90
89
86
84
80
75
75
78
79
78
73
60
60
64

Pressure (mb)

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

Ozone (du)

321
324
325
325
325
326
326
324
325
326
326
326
324
323
323
323
324
322
321
319
319
319
320
322

Friday 22

Waxing Crescent 45%

12:57

01:48

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

Sun - Rise: 05:41, Set: 20:20, Transit: 13:01. Moon - Rise: 12:57, Set: 01:48. Civil Dark: 20:51 - 05:10. Nautical Dark: 21:31 - 04:30. Astro Dark: 22:15 - 03:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
91
88
91
91
92
94
91
95
97
96
96
94
96
99
99
99
98
98
95
96
98
100
96

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
99
100

High Clouds (% Sky Obscured)

100
100
100
89
100
99
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
8
9
9
9
9
5
3
2
2
2
2
3
4
2
2
3
8
9
5
9
8

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

Precipitation Probability (%)

19
39
46
55
65
75
81
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.5
0.6
0.9
1.3
1.7
2.7
3.2
2.6
1.9
1.7
1.6
2
1.5
1.7
1.7
2.2
0.8
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
63
59
58
72
76
72
79
85
91
93
93
95
95
93
95
95
96
96
96
95
96
96
95

Pressure (mb)

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

Ozone (du)

324
323
324
326
327
327
329
329
328
327
327
327
328
327
327
328
328
328
326
326
326
325
325
325

Saturday 23

First Quarter 56%

14:03

02:12

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

Sun - Rise: 05:41, Set: 20:21, Transit: 13:01. Moon - Rise: 14:03, Set: 02:12. Civil Dark: 20:52 - 05:09. Nautical Dark: 21:32 - 04:29. Astro Dark: 22:17 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
100
100
100
98
92
94
94
82
85
82
93
100
93
89
84
92
92
80
16
75
82
50
33

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
42
20
10
10
6
20
25
38
47

ISS Passover

Visibility (miles)

5
5
4
3
4
4
9
9
9
8
9
9
6
9
9
8
9
7
6
2
0
0
5
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

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

Precipitation Probability (%)

95
95
95
95
95
95
54
54
57
72
60
55
44
26
29
9
13
23
12
1
0
0
2
0

Precipitation Amount (mm)

0.9
0.4
1.1
1
1
0.6
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
95
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
95
95

Pressure (mb)

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

Ozone (du)

325
325
324
324
324
326
328
329
331
331
332
330
329
331
332
332
331
334
337
339
334
330
326
325

Sunday 24

Waxing Gibbous 66%

15:07

02:34

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

Sun - Rise: 05:40, Set: 20:22, Transit: 13:01. Moon - Rise: 15:07, Set: 02:34. Civil Dark: 20:53 - 05:08. Nautical Dark: 21:33 - 04:28. Astro Dark: 22:18 - 03:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
92
86
76
71
73
76
77

Medium Clouds (% Sky Obscured)

8
2
2
1
0
15
29
40
78
95
91
94
97
100
100
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

56
63
62
60
60
73
87
100
100
100
100
95
91
84
88
94
100
100
100
97
99
100
100
99

ISS Passover

Visibility (miles)

7
9
9
6
6
2
6
9
9
4
9
5
5
4
1
2
3
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
6
31
59
52
53
72
95
95
95
90
77
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.2
0.2
0.5
2.1
3.5
1.1
0.6
0.3
0.7
1.1
1.3
1.3
1.3
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
13
13
13
13
13
13
13
13
13
13
13
14
13
14
14
14
14
15
15
15
14

Relative Humidity (%)

96
96
98
98
100
98
100
100
98
98
98
98
98
98
100
98
98
98
95
95
93
90
87
85

Pressure (mb)

1023
1023
1023
1023
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

326
325
324
324
323
323
322
322
321
320
320
320
320
319
320
319
321
322
323
324
325
326
326
325

Monday 25

Waxing Gibbous 76%

16:10

02:55

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

Sun - Rise: 05:39, Set: 20:23, Transit: 13:01. Moon - Rise: 16:10, Set: 02:55. Civil Dark: 20:54 - 05:08. Nautical Dark: 21:34 - 04:28. Astro Dark: 22:19 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
96
95
97

Low Clouds (% Sky Obscured)

78
79
79
78
78
80
83
86
83
80
77
80
83
72
63
72
89
92
96
98
86
81
80
74

Medium Clouds (% Sky Obscured)

98
97
98
99
100
97
94
91
93
97
100
100
100
100
94
89
83
80
75
71
71
71
71
80

High Clouds (% Sky Obscured)

99
99
99
98
100
99
98
97
97
97
100
99
99
99
99
100
100
84
77
69
73
80
80
70

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

Light Rain
Very 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 (%)

79
56
45
32
18
16
10
2
4
3
1
3
14
3
22
31
37
40
40
38
37
34
27
22

Precipitation Amount (mm)

0.5
0.2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
15
15
14
15
14
14
14
14
14
15
15
15
16
17
17
18
19
18
18
18

Relative Humidity (%)

85
86
92
93
93
95
93
96
95
95
96
95
95
95
93
93
95
95
95
96
95
92
86
82

Pressure (mb)

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

Ozone (du)

325
324
324
323
323
323
322
324
324
323
324
325
325
324
323
324
324
324
324
324
323
325
326
328

Tuesday 26

Waxing Gibbous 84%

17:12

03:17

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

Sun - Rise: 05:39, Set: 20:23, Transit: 13:01. Moon - Rise: 17:12, Set: 03:17. Civil Dark: 20:55 - 05:07. Nautical Dark: 21:35 - 04:27. Astro Dark: 22:21 - 03:41

Total Clouds (% Sky Obscured)

98
97
93
90
87
92
96
100
100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
52
53
51
49
57
59
66
75
77
79
82
82
81
85
88
91
87
84
80
69
57
48
43

Medium Clouds (% Sky Obscured)

88
95
88
83
78
61
46
33
33
39
60
98
96
95
96
98
100
96
96
96
97
99
100
100

High Clouds (% Sky Obscured)

59
42
56
72
79
85
93
100
96
91
87
76
65
58
72
90
98
99
99
100
89
77
65
73

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

Precipitation Probability (%)

15
0
0
0
0
1
1
1
10
14
16
39
56
72
81
89
95
95
94
84
71
60
47
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.6
0.6
0.6
0.6
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

4
3
3
3
3
2
2
2
2
2
2
2
2
3
3
3
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
22
22
19
19
18
18
18
17
16
16
16
16
16
15
19
19
19
20
21
21
26
25
25

Dew Point (°C)

18
18
18
17
16
16
16
16
16
16
16
16
16
16
17
17
17
17
17
18
19
19
19
18

Relative Humidity (%)

86
89
93
93
95
96
96
98
98
98
98
98
96
93
93
88
82
79
76
73
71
71
71
70

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1013
1013
1012
1011
1011

Ozone (du)

328
328
328
328
329
329
330
330
331
331
331
331
331
331
331
331
330
330
330
331
331
333
335
336

Wednesday 27

Waxing Gibbous 90%

No Rise

03:40

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
09 OK
10 Good
11 Good
12 OK
13 OK

Sun - Rise: 05:38, Set: 20:24, Transit: 13:02. Moon - Rise: No Rise, Set: 03:40. Civil Dark: 20:56 - 05:06. Nautical Dark: 21:36 - 04:26. Astro Dark: 22:22 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
99
99
98
97
97
97
97
96
82
68
54
46
28
11
12
14
19

Low Clouds (% Sky Obscured)

28
7
9
3
3
3
4
12
43
51
57
45
43
32
44
28
11
12
14
19

Medium Clouds (% Sky Obscured)

100
100
94
86
75
81
84
88
86
87
87
72
50
30
20
14
0
0
0
0

High Clouds (% Sky Obscured)

82
91
94
97
99
98
97
97
84
69
53
36
18
2
4
7
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

Fog (%)

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

Precipitation Probability (%)

44
42
48
47
38
39
34
17
20
15
3
3
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
22
21
20
19
19
18
17
17
16
15
14
14
15
15
16
17
18
19
19

Feels Like (°C)

25
25
26
21
21
22
22
22
21
16
15
14
14
13
13
14
14
14
15
15

Dew Point (°C)

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

Relative Humidity (%)

77
83
89
89
89
89
90
92
93
93
92
90
87
84
82
75
68
62
59
56

Pressure (mb)

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

Ozone (du)

336
336
337
337
337
338
338
338
338
341
344
347
352
358
363
368
373
378
379
380

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

Generated: 21/05/26 18:18:33. Forecast: 21/05/26 to 27/05/26. Timezone: UTC-4.00