Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 5

Waning Gibbous 79%

21:50

09:18

17 OK
18 OK
19 Bad
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 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 07:07, Set: 17:29, Transit: 12:18. Moon - Rise: 21:50, Set: 09:18. Civil Dark: 17:57 - 06:39. Nautical Dark: 18:29 - 06:06. Astro Dark: 19:01 - 05:35

Total Clouds (% Sky Obscured)

24
45
53
39
60
94
100
100
100
100
94
100
100
100
93
88
96
77
98
96
99
99
100
100

Low Clouds (% Sky Obscured)

5
6
5
7
7
7
7
7
7
7
4
6
10
10
32
42
63
40
65
85
83
87
86
82

Medium Clouds (% Sky Obscured)

10
35
53
31
47
80
99
100
99
100
94
100
100
100
93
87
94
70
97
95
95
97
97
82

High Clouds (% Sky Obscured)

23
30
53
11
7
57
57
70
71
92
66
50
40
6
0
0
0
0
3
56
91
71
95
84

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
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
5
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
6
29
32
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-7
-6
-7
-7
-9
-10
-9
-9
-10
-9
-10
-10
-10
-10
-10
-9
-7
-6
-6
-6
-6
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

87
85
85
84
82
84
84
85
85
85
85
87
87
87
87
89
87
85
86
82
81
86
94
92

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1012
1012
1012
1011
1011
1011
1010
1009
1009
1008
1007
1006
1005
1004

Ozone (du)

385
390
390
389
391
391
386
381
381
381
385
388
398
405
396
389
394
394
399
403
405
408
408
408

Friday 6

Waning Gibbous 70%

22:53

09:40

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 OK
09 OK
10 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good

Sun - Rise: 07:06, Set: 17:30, Transit: 12:18. Moon - Rise: 22:53, Set: 09:40. Civil Dark: 17:58 - 06:37. Nautical Dark: 18:30 - 06:05. Astro Dark: 19:02 - 05:34

Total Clouds (% Sky Obscured)

99
99
100
99
98
99
97
93
93
96
82
67
55
80
65
19
17
14
12
3
3
3
3
3

Low Clouds (% Sky Obscured)

85
92
89
88
95
94
87
90
80
89
82
67
55
80
65
19
17
14
12
3
3
3
3
3

Medium Clouds (% Sky Obscured)

93
97
97
94
95
95
94
93
92
90
65
67
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
27
94
42
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
1
1
2
1
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
37
39
44
53
52
43
29
13
20
10
8
2
0
0
0
0
0
4
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0.2
0.2
0.2
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
4
4
5
5
6
9
11
18
20
20
20
21
21
22
22
22
22
22
21
21

Chance of Frost

Temperature (°C)

-3
-3
-3
-3
-3
-4
-3
-3
-4
-4
-3
-4
-7
-9
-12
-13
-14
-14
-14
-13
-12
-11
-11
-11

Feels Like (°C)

-6
-6
-7
-7
-7
-7
-7
-7
-7
-9
-10
-12
-16
-19
-21
-23
-23
-23
-23
-22
-21
-20
-20
-20

Dew Point (°C)

-3
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-6
-10
-13
-16
-18
-19
-19
-18
-17
-16
-16
-16
-16

Relative Humidity (%)

96
96
96
96
94
96
98
96
96
94
91
90
79
74
70
68
67
67
68
68
69
67
67
67

Pressure (mb)

1004
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1004
1006
1008
1010
1012
1013
1014
1015
1015
1015
1016
1017
1018

Ozone (du)

408
410
413
414
421
429
431
429
421
418
422
417
433
457
463
466
467
465
461
455
454
453
454
454

Saturday 7

Waning Gibbous 61%

23:57

10:05

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

Sun - Rise: 07:04, Set: 17:31, Transit: 12:18. Moon - Rise: 23:57, Set: 10:05. Civil Dark: 17:59 - 06:36. Nautical Dark: 18:31 - 06:04. Astro Dark: 19:03 - 05:33

Total Clouds (% Sky Obscured)

32
36
34
3
3
3
3
2
3
3
3
3
4
5
6
40
50
55
50
41
72
72
80
63

Low Clouds (% Sky Obscured)

32
36
34
3
3
3
3
2
3
3
3
3
4
3
4
3
3
3
2
4
5
4
7
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
4
41
72
72
80
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
19
20
10
10
1
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
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)

20
18
18
17
17
17
16
15
15
14
14
13
12
11
10
10
11
12
12
12
12
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-21
-21
-21
-21
-21
-21
-22
-21
-21
-21
-21
-21
-21
-21
-20
-20
-20
-19
-17
-15
-14
-13
-13

Dew Point (°C)

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

Relative Humidity (%)

66
65
66
67
67
68
68
67
68
68
69
70
70
71
71
73
73
69
64
63
62
63
67
72

Pressure (mb)

1019
1021
1022
1023
1023
1024
1024
1025
1025
1026
1026
1026
1027
1027
1028
1029
1029
1029
1028
1027
1026
1026
1025
1024

Ozone (du)

455
446
444
438
435
428
427
421
414
406
400
395
389
386
384
383
381
385
379
381
382
383
383
380

Sunday 8

Waning Gibbous 51%

01:00

10:33

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

Sun - Rise: 07:03, Set: 17:32, Transit: 12:18. Moon - Rise: 01:00, Set: 10:33. Civil Dark: 18:00 - 06:35. Nautical Dark: 18:32 - 06:03. Astro Dark: 19:04 - 05:32

Total Clouds (% Sky Obscured)

42
13
24
8
6
16
27
30
27
28
25
29
33
40
45
40
40
40
45
40
30
25
15
10

Low Clouds (% Sky Obscured)

15
8
24
7
6
16
27
30
27
28
20
14
13
18
28
33
32
27
29
20
10
5
0
0

Medium Clouds (% Sky Obscured)

42
3
24
2
3
4
27
3
27
28
14
3
2
3
2
28
4
3
1
6
3
0
1
5

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
15
27
4
25
8
28
35
30
25
25
20
20
16
11
25
15
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-8
-10
-11
-12
-12
-13
-13
-13
-14
-14
-15
-15
-15
-16
-16
-14
-13
-12
-10
-8
-7
-6
-6
-5

Feels Like (°C)

-13
-13
-13
-15
-14
-15
-16
-17
-18
-18
-18
-18
-19
-19
-19
-17
-16
-15
-13
-11
-10
-10
-9
-8

Dew Point (°C)

-11
-12
-13
-14
-14
-15
-16
-15
-16
-16
-16
-17
-17
-17
-17
-16
-15
-14
-13
-11
-10
-10
-9
-8

Relative Humidity (%)

80
83
81
83
83
83
83
86
86
86
86
86
86
86
86
84
81
80
80
78
77
76
76
84

Pressure (mb)

1024
1024
1025
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1025
1025
1025
1025
1024
1024
1023
1022
1022
1021

Ozone (du)

378
379
380
374
370
368
365
361
357
357
357
354
354
355
356
357
359
358
359
360
359
357
355
354

Monday 9

Third Quarter 41%

02:03

11:08

17 OK
18 OK
19 OK
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

Sun - Rise: 07:02, Set: 17:33, Transit: 12:18. Moon - Rise: 02:03, Set: 11:08. Civil Dark: 18:01 - 06:34. Nautical Dark: 18:33 - 06:02. Astro Dark: 19:05 - 05:31

Total Clouds (% Sky Obscured)

20
20
25
25
25
60
55
30
45
67
92
95
96
88
83
79
76
84
93
99
100
100
100
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
14
41
51
56
61
67
64
67
37
19
4

Medium Clouds (% Sky Obscured)

10
10
10
15
15
34
40
30
23
49
82
56
63
65
62
59
55
59
66
70
73
76
78
78

High Clouds (% Sky Obscured)

20
20
25
25
25
60
0
0
1
3
4
10
14
21
24
30
35
50
35
30
31
27
33
37

ISS Passover

Visibility (miles)

9
9
9
9
0
0
0
0
0
0
0
0
0
0
1
4
7
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
Snow
Snow
Snow
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
19
34
49
57
65
50
48
50
43
35
8
11
11
9
8
9
3
6
3
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.2
0.3
0.1
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-8
-7
-5
-4
-3
-2
-2
-1
-1

Feels Like (°C)

-9
-10
-10
-10
-11
-11
-11
-11
-12
-11
-11
-11
-12
-12
-12
-11
-11
-11
-10
-9
-9
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

87
87
90
92
94
94
94
96
96
96
96
96
94
96
94
94
92
90
90
87
87
87
87
89

Pressure (mb)

1022
1022
1022
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1021
1021
1021
1020

Ozone (du)

355
354
356
357
361
363
366
366
369
366
364
362
361
355
352
349
346
343
339
335
331
327
323
319

Tuesday 10

Waning Crescent 32%

03:03

11:49

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

Sun - Rise: 07:01, Set: 17:35, Transit: 12:18. Moon - Rise: 03:03, Set: 11:49. Civil Dark: 18:03 - 06:33. Nautical Dark: 18:35 - 06:01. Astro Dark: 19:06 - 05:30

Total Clouds (% Sky Obscured)

92
92
95
95
94
96
98
100
100
100
100
100
100
100
100
100
100
100
99
99
97
95
94
97

Low Clouds (% Sky Obscured)

0
0
33
66
94
96
97
100
100
100
100
90
80
70
72
75
77
59
41
24
16
13
15
51

Medium Clouds (% Sky Obscured)

77
80
83
84
83
84
86
87
76
66
65
81
83
84
89
94
99
88
92
99
97
95
94
88

High Clouds (% Sky Obscured)

38
42
56
73
91
93
96
100
99
99
98
94
90
85
84
80
80
89
93
99
96
87
82
82

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
5
3
0
0
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
None
None
None
None
None
None
None
None
None
None
None
Ice pellet
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
11
15
18
15
11
2
4
6
10
18
25
31
57
81
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
1.3
1.6
1.6
1.1

Wind Speed/Direction (mph)

3
3
3
3
2
3
2
1
1
1
2
2
3
3
4
4
5
6
7
9
11
10
9
9

Chance of Frost

Temperature (°C)

-2
-3
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-2
-3
-2
-2
-2
-2
-4
-5
-5
-4
-4

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-3
-4
-6
-6
-5
-4

Relative Humidity (%)

89
91
92
94
94
94
94
96
94
94
94
94
94
96
94
96
96
96
94
94
94
94
94
94

Pressure (mb)

1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

318
316
315
314
314
314
313
313
313
313
313
314
314
314
315
316
317
319
318
318
318
321
325
328

Wednesday 11

Waning Crescent 23%

03:59

12:39

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:00, Set: 17:36, Transit: 12:18. Moon - Rise: 03:59, Set: 12:39. Civil Dark: 18:04 - 06:32. Nautical Dark: 18:36 - 06:00. Astro Dark: 19:07 - 05:28

Total Clouds (% Sky Obscured)

99
100
98
95
93
97
97
95
88
84
77
68
62
55
55
53
44
53
62
71

Low Clouds (% Sky Obscured)

76
92
85
84
79
77
76
75
70
63
55
49
29
17
24
30
34
37
42
47

Medium Clouds (% Sky Obscured)

80
72
49
25
0
0
0
0
0
0
0
0
0
0
0
0
1
9
17
25

High Clouds (% Sky Obscured)

83
77
53
27
8
4
0
0
0
0
0
0
0
0
1
2
0
0
0
0

ISS Passover

Visibility (miles)

0
0
1
1
2
3
3
3
3
3
3
3
3
3
3
5
7
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

Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

92
58
43
28
5
7
6
7
5
4
0
1
1
0
1
1
0
1
2
1

Precipitation Amount (mm)

0.6
0.2
0.1
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
5
5
5
4
4
5
5
6
5
5
5
7
9
11
12
13

Chance of Frost

Temperature (°C)

-4
-4
-4
-5
-6
-7
-8
-10
-11
-12
-12
-13
-13
-13
-13
-10
-7
-4
-3
-2

Feels Like (°C)

-9
-9
-9
-9
-9
-9
-9
-10
-9
-16
-16
-16
-15
-16
-16
-15
-15
-14
-13
-12

Dew Point (°C)

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

Relative Humidity (%)

94
94
92
94
94
94
92
92
90
88
88
86
88
88
88
88
87
87
86
82

Pressure (mb)

1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016

Ozone (du)

334
341
347
350
354
357
358
360
361
362
364
365
367
369
371
370
368
367
370
374

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

Generated: 05/02/26 16:58:18. Forecast: 05/02/26 to 11/02/26. Timezone: UTC-5.00